Merge branch 'akpm-current/current'

93 files changed, 468 insertions, 452 deletions

diff --git a/arch/Kconfig b/arch/Kconfig
index b6e78dc56935..995be50704d7 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -607,6 +607,9 @@ config HAVE_IRQ_TIME_ACCOUNTING
 config HAVE_ARCH_TRANSPARENT_HUGEPAGE
 	bool
 
+config HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
+	bool
+
 config HAVE_ARCH_HUGE_VMAP
 	bool
 
diff --git a/arch/alpha/include/asm/Kbuild b/arch/alpha/include/asm/Kbuild
index baa152b9348e..d103db5af5ff 100644
--- a/arch/alpha/include/asm/Kbuild
+++ b/arch/alpha/include/asm/Kbuild
@@ -9,3 +9,5 @@ generic-y += mm-arch-hooks.h
 generic-y += preempt.h
 generic-y += sections.h
 generic-y += trace_clock.h
+generic-y += current.h
+generic-y += kprobes.h
diff --git a/arch/alpha/include/asm/current.h b/arch/alpha/include/asm/current.h
deleted file mode 100644
index 094d285a1b34..000000000000
--- a/arch/alpha/include/asm/current.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef _ALPHA_CURRENT_H
-#define _ALPHA_CURRENT_H
-
-#include <linux/thread_info.h>
-
-#define get_current()	(current_thread_info()->task)
-#define current		get_current()
-
-#endif /* _ALPHA_CURRENT_H */
diff --git a/arch/arc/include/asm/kprobes.h b/arch/arc/include/asm/kprobes.h
index 944dbedb38b5..00bdbe167615 100644
--- a/arch/arc/include/asm/kprobes.h
+++ b/arch/arc/include/asm/kprobes.h
@@ -9,6 +9,8 @@
 #ifndef _ARC_KPROBES_H
 #define _ARC_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
 #ifdef CONFIG_KPROBES
 
 typedef u16 kprobe_opcode_t;
@@ -55,6 +57,6 @@ void trap_is_kprobe(unsigned long address, struct pt_regs *regs);
 static void trap_is_kprobe(unsigned long address, struct pt_regs *regs)
 {
 }
-#endif
+#endif /* CONFIG_KPROBES */
 
-#endif
+#endif /* _ARC_KPROBES_H */
diff --git a/arch/arm/include/asm/kprobes.h b/arch/arm/include/asm/kprobes.h
index 3ea9be559726..59655459da59 100644
--- a/arch/arm/include/asm/kprobes.h
+++ b/arch/arm/include/asm/kprobes.h
@@ -16,6 +16,9 @@
 #ifndef _ARM_KPROBES_H
 #define _ARM_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#ifdef CONFIG_KPROBES
 #include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/notifier.h>
@@ -83,4 +86,5 @@ struct arch_optimized_insn {
 	 */
 };
 
+#endif /* CONFIG_KPROBES */
 #endif /* _ARM_KPROBES_H */
diff --git a/arch/arm/include/asm/page.h b/arch/arm/include/asm/page.h
index 4355f0ec44d6..f98baaec0a15 100644
--- a/arch/arm/include/asm/page.h
+++ b/arch/arm/include/asm/page.h
@@ -17,6 +17,8 @@
 
 #ifndef __ASSEMBLY__
 
+#include <linux/personality.h>	/* For READ_IMPLIES_EXEC */
+
 #ifndef CONFIG_MMU
 
 #include <asm/page-nommu.h>
diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index ec91733e2580..fc4a4eaa9934 100644
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -349,7 +349,7 @@ static void __dma_free_buffer(struct page *page, size_t size)
 static void *__alloc_from_contiguous(struct device *dev, size_t size,
 				     pgprot_t prot, struct page **ret_page,
 				     const void *caller, bool want_vaddr,
-				     int coherent_flag);
+				     int coherent_flag, gfp_t gfp);
 
 static void *__alloc_remap_buffer(struct device *dev, size_t size, gfp_t gfp,
 				 pgprot_t prot, struct page **ret_page,
@@ -420,7 +420,8 @@ static int __init atomic_pool_init(void)
 	 */
 	if (dev_get_cma_area(NULL))
 		ptr = __alloc_from_contiguous(NULL, atomic_pool_size, prot,
-				      &page, atomic_pool_init, true, NORMAL);
+				      &page, atomic_pool_init, true, NORMAL,
+				      GFP_KERNEL);
 	else
 		ptr = __alloc_remap_buffer(NULL, atomic_pool_size, gfp, prot,
 					   &page, atomic_pool_init, true);
@@ -594,14 +595,14 @@ static int __free_from_pool(void *start, size_t size)
 static void *__alloc_from_contiguous(struct device *dev, size_t size,
 				     pgprot_t prot, struct page **ret_page,
 				     const void *caller, bool want_vaddr,
-				     int coherent_flag)
+				     int coherent_flag, gfp_t gfp)
 {
 	unsigned long order = get_order(size);
 	size_t count = size >> PAGE_SHIFT;
 	struct page *page;
 	void *ptr = NULL;
 
-	page = dma_alloc_from_contiguous(dev, count, order);
+	page = dma_alloc_from_contiguous(dev, count, order, gfp);
 	if (!page)
 		return NULL;
 
@@ -655,7 +656,7 @@ static inline pgprot_t __get_dma_pgprot(unsigned long attrs, pgprot_t prot)
 #define __get_dma_pgprot(attrs, prot)				__pgprot(0)
 #define __alloc_remap_buffer(dev, size, gfp, prot, ret, c, wv)	NULL
 #define __alloc_from_pool(size, ret_page)			NULL
-#define __alloc_from_contiguous(dev, size, prot, ret, c, wv, coherent_flag)	NULL
+#define __alloc_from_contiguous(dev, size, prot, ret, c, wv, coherent_flag, gfp)	NULL
 #define __free_from_pool(cpu_addr, size)			do { } while (0)
 #define __free_from_contiguous(dev, page, cpu_addr, size, wv)	do { } while (0)
 #define __dma_free_remap(cpu_addr, size)			do { } while (0)
@@ -697,7 +698,8 @@ static void *cma_allocator_alloc(struct arm_dma_alloc_args *args,
 {
 	return __alloc_from_contiguous(args->dev, args->size, args->prot,
 				       ret_page, args->caller,
-				       args->want_vaddr, args->coherent_flag);
+				       args->want_vaddr, args->coherent_flag,
+				       args->gfp);
 }
 
 static void cma_allocator_free(struct arm_dma_free_args *args)
@@ -1315,7 +1317,7 @@ static struct page **__iommu_alloc_buffer(struct device *dev, size_t size,
 		unsigned long order = get_order(size);
 		struct page *page;
 
-		page = dma_alloc_from_contiguous(dev, count, order);
+		page = dma_alloc_from_contiguous(dev, count, order, gfp);
 		if (!page)
 			goto error;
 
diff --git a/arch/arm/probes/decode.h b/arch/arm/probes/decode.h
index f9b08ba7fe73..548d622a3159 100644
--- a/arch/arm/probes/decode.h
+++ b/arch/arm/probes/decode.h
@@ -22,6 +22,7 @@
 #include <linux/types.h>
 #include <linux/stddef.h>
 #include <asm/probes.h>
+#include <asm/kprobes.h>
 
 void __init arm_probes_decode_init(void);
 
diff --git a/arch/arm64/include/asm/kprobes.h b/arch/arm64/include/asm/kprobes.h
index 1737aecfcc5e..6deb8d726041 100644
--- a/arch/arm64/include/asm/kprobes.h
+++ b/arch/arm64/include/asm/kprobes.h
@@ -16,6 +16,9 @@
 #ifndef _ARM_KPROBES_H
 #define _ARM_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#ifdef CONFIG_KPROBES
 #include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
@@ -57,4 +60,5 @@ int kprobe_single_step_handler(struct pt_regs *regs, unsigned int esr);
 void kretprobe_trampoline(void);
 void __kprobes *trampoline_probe_handler(struct pt_regs *regs);
 
+#endif /* CONFIG_KPROBES */
 #endif /* _ARM_KPROBES_H */
diff --git a/arch/arm64/kernel/armv8_deprecated.c b/arch/arm64/kernel/armv8_deprecated.c
index 86032a012388..657977e77ec8 100644
--- a/arch/arm64/kernel/armv8_deprecated.c
+++ b/arch/arm64/kernel/armv8_deprecated.c
@@ -19,6 +19,7 @@
 #include <asm/sysreg.h>
 #include <asm/system_misc.h>
 #include <asm/traps.h>
+#include <asm/kprobes.h>
 #include <linux/uaccess.h>
 #include <asm/cpufeature.h>
 
diff --git a/arch/arm64/kernel/insn.c b/arch/arm64/kernel/insn.c
index b6badff5a151..3a63954a8b14 100644
--- a/arch/arm64/kernel/insn.c
+++ b/arch/arm64/kernel/insn.c
@@ -31,6 +31,7 @@
 #include <asm/debug-monitors.h>
 #include <asm/fixmap.h>
 #include <asm/insn.h>
+#include <asm/kprobes.h>
 
 #define AARCH64_INSN_SF_BIT	BIT(31)
 #define AARCH64_INSN_N_BIT	BIT(22)
diff --git a/arch/arm64/kernel/probes/decode-insn.h b/arch/arm64/kernel/probes/decode-insn.h
index 76d3f315407f..192ab007bacb 100644
--- a/arch/arm64/kernel/probes/decode-insn.h
+++ b/arch/arm64/kernel/probes/decode-insn.h
@@ -16,6 +16,8 @@
 #ifndef _ARM_KERNEL_KPROBES_ARM64_H
 #define _ARM_KERNEL_KPROBES_ARM64_H
 
+#include <asm/kprobes.h>
+
 /*
  * ARM strongly recommends a limit of 128 bytes between LoadExcl and
  * StoreExcl instructions in a single thread of execution. So keep the
diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index 351f7595cb3e..aff1d0afeb1e 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -107,7 +107,7 @@ static void *__dma_alloc_coherent(struct device *dev, size_t size,
 		void *addr;
 
 		page = dma_alloc_from_contiguous(dev, size >> PAGE_SHIFT,
-							get_order(size));
+						 get_order(size), flags);
 		if (!page)
 			return NULL;
 
@@ -390,7 +390,7 @@ static int __init atomic_pool_init(void)
 
 	if (dev_get_cma_area(NULL))
 		page = dma_alloc_from_contiguous(NULL, nr_pages,
-							pool_size_order);
+						 pool_size_order, GFP_KERNEL);
 	else
 		page = alloc_pages(GFP_DMA, pool_size_order);
 
diff --git a/arch/avr32/include/asm/kprobes.h b/arch/avr32/include/asm/kprobes.h
index 45f563ed73fd..28dfc61ad384 100644
--- a/arch/avr32/include/asm/kprobes.h
+++ b/arch/avr32/include/asm/kprobes.h
@@ -11,10 +11,14 @@
 #ifndef __ASM_AVR32_KPROBES_H
 #define __ASM_AVR32_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#define BREAKPOINT_INSTRUCTION	0xd673	/* breakpoint */
+
+#ifdef CONFIG_KPROBES
 #include <linux/types.h>
 
 typedef u16	kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION	0xd673	/* breakpoint */
 #define MAX_INSN_SIZE		2
 #define MAX_STACK_SIZE		64	/* 32 would probably be OK */
 
@@ -46,4 +50,5 @@ extern int kprobe_exceptions_notify(struct notifier_block *self,
 
 #define flush_insn_slot(p)	do { } while (0)
 
+#endif /* CONFIG_KPROBES */
 #endif /* __ASM_AVR32_KPROBES_H */
diff --git a/arch/blackfin/include/asm/Kbuild b/arch/blackfin/include/asm/Kbuild
index d6fa60b158be..625db8ac815e 100644
--- a/arch/blackfin/include/asm/Kbuild
+++ b/arch/blackfin/include/asm/Kbuild
@@ -46,3 +46,4 @@ generic-y += unaligned.h
 generic-y += user.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/c6x/include/asm/Kbuild b/arch/c6x/include/asm/Kbuild
index 4e9f57433f3a..82619c32d25b 100644
--- a/arch/c6x/include/asm/Kbuild
+++ b/arch/c6x/include/asm/Kbuild
@@ -61,3 +61,4 @@ generic-y += user.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/cris/include/asm/Kbuild b/arch/cris/include/asm/Kbuild
index 9f19e19bff9d..0f5132b08896 100644
--- a/arch/cris/include/asm/Kbuild
+++ b/arch/cris/include/asm/Kbuild
@@ -4,6 +4,7 @@ generic-y += barrier.h
 generic-y += bitsperlong.h
 generic-y += clkdev.h
 generic-y += cmpxchg.h
+generic-y += current.h
 generic-y += device.h
 generic-y += div64.h
 generic-y += errno.h
@@ -44,3 +45,4 @@ generic-y += types.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/cris/include/asm/current.h b/arch/cris/include/asm/current.h
deleted file mode 100644
index 5f5c0efd00be..000000000000
--- a/arch/cris/include/asm/current.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef _CRIS_CURRENT_H
-#define _CRIS_CURRENT_H
-
-#include <linux/thread_info.h>
-
-struct task_struct;
-
-static inline struct task_struct * get_current(void)
-{
-        return current_thread_info()->task;
-}
- 
-#define current get_current()
-
-#endif /* !(_CRIS_CURRENT_H) */
diff --git a/arch/frv/include/asm/Kbuild b/arch/frv/include/asm/Kbuild
index 0f5b0d5d313c..c33b46715f65 100644
--- a/arch/frv/include/asm/Kbuild
+++ b/arch/frv/include/asm/Kbuild
@@ -7,3 +7,4 @@ generic-y += mm-arch-hooks.h
 generic-y += preempt.h
 generic-y += trace_clock.h
 generic-y += word-at-a-time.h
+generic-y += kprobes.h
diff --git a/arch/frv/mb93090-mb00/pci-frv.c b/arch/frv/mb93090-mb00/pci-frv.c
index 34bb4b13e079..c452ddb5620f 100644
--- a/arch/frv/mb93090-mb00/pci-frv.c
+++ b/arch/frv/mb93090-mb00/pci-frv.c
@@ -147,7 +147,7 @@ static void __init pcibios_allocate_resources(int pass)
 static void __init pcibios_assign_resources(void)
 {
 	struct pci_dev *dev = NULL;
-	int idx;
+	int idx, err;
 	struct resource *r;
 
 	for_each_pci_dev(dev) {
@@ -172,8 +172,13 @@ static void __init pcibios_assign_resources(void)
 			 *  the BIOS forgot to do so or because we have decided the old
 			 *  address was unusable for some reason.
 			 */
-			if (!r->start && r->end)
-				pci_assign_resource(dev, idx);
+			if (!r->start && r->end) {
+				err = pci_assign_resource(dev, idx);
+				if (err)
+					dev_err(&dev->dev,
+						"Failed to assign new address to %d\n",
+						idx);
+			}
 		}
 	}
 }
diff --git a/arch/h8300/include/asm/Kbuild b/arch/h8300/include/asm/Kbuild
index 5efd0c87f3c0..341740c3581c 100644
--- a/arch/h8300/include/asm/Kbuild
+++ b/arch/h8300/include/asm/Kbuild
@@ -74,3 +74,4 @@ generic-y += unaligned.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/hexagon/include/asm/Kbuild b/arch/hexagon/include/asm/Kbuild
index a43a7c90e4af..797b64a4b80b 100644
--- a/arch/hexagon/include/asm/Kbuild
+++ b/arch/hexagon/include/asm/Kbuild
@@ -59,3 +59,4 @@ generic-y += unaligned.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/ia64/include/asm/kprobes.h b/arch/ia64/include/asm/kprobes.h
index d5505d6f2382..0302b3664789 100644
--- a/arch/ia64/include/asm/kprobes.h
+++ b/arch/ia64/include/asm/kprobes.h
@@ -23,14 +23,19 @@
  * 2005-Apr     Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
  *              <anil.s.keshavamurthy@intel.com> adapted from i386
  */
+#include <asm-generic/kprobes.h>
+#include <asm/break.h>
+
+#define BREAK_INST	(long)(__IA64_BREAK_KPROBE << 6)
+
+#ifdef CONFIG_KPROBES
+
 #include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
-#include <asm/break.h>
 
 #define __ARCH_WANT_KPROBES_INSN_SLOT
 #define MAX_INSN_SIZE   2	/* last half is for kprobe-booster */
-#define BREAK_INST	(long)(__IA64_BREAK_KPROBE << 6)
 #define NOP_M_INST	(long)(1<<27)
 #define BRL_INST(i1, i2) ((long)((0xcL << 37) |	/* brl */ \
 				(0x1L << 12) |	/* many */ \
@@ -124,4 +129,5 @@ extern void invalidate_stacked_regs(void);
 extern void flush_register_stack(void);
 extern void arch_remove_kprobe(struct kprobe *p);
 
-#endif				/* _ASM_KPROBES_H */
+#endif /* CONFIG_KPROBES */
+#endif /* _ASM_KPROBES_H */
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index bb4610faca84..06cdaef54b2e 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -684,51 +684,3 @@ int arch_remove_memory(u64 start, u64 size)
 }
 #endif
 #endif
-
-/**
- * show_mem - give short summary of memory stats
- *
- * Shows a simple page count of reserved and used pages in the system.
- * For discontig machines, it does this on a per-pgdat basis.
- */
-void show_mem(unsigned int filter)
-{
-	int total_reserved = 0;
-	unsigned long total_present = 0;
-	pg_data_t *pgdat;
-
-	printk(KERN_INFO "Mem-info:\n");
-	show_free_areas(filter);
-	printk(KERN_INFO "Node memory in pages:\n");
-	for_each_online_pgdat(pgdat) {
-		unsigned long present;
-		unsigned long flags;
-		int reserved = 0;
-		int nid = pgdat->node_id;
-		int zoneid;
-
-		if (skip_free_areas_node(filter, nid))
-			continue;
-		pgdat_resize_lock(pgdat, &flags);
-
-		for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
-			struct zone *zone = &pgdat->node_zones[zoneid];
-			if (!populated_zone(zone))
-				continue;
-
-			reserved += zone->present_pages - zone->managed_pages;
-		}
-		present = pgdat->node_present_pages;
-
-		pgdat_resize_unlock(pgdat, &flags);
-		total_present += present;
-		total_reserved += reserved;
-		printk(KERN_INFO "Node %4d:  RAM: %11ld, rsvd: %8d, ",
-		       nid, present, reserved);
-	}
-	printk(KERN_INFO "%ld pages of RAM\n", total_present);
-	printk(KERN_INFO "%d reserved pages\n", total_reserved);
-	printk(KERN_INFO "Total of %ld pages in page table cache\n",
-	       quicklist_total_size());
-	printk(KERN_INFO "%ld free buffer pages\n", nr_free_buffer_pages());
-}
diff --git a/arch/m32r/include/asm/Kbuild b/arch/m32r/include/asm/Kbuild
index 652100b64a71..deb298777df2 100644
--- a/arch/m32r/include/asm/Kbuild
+++ b/arch/m32r/include/asm/Kbuild
@@ -1,5 +1,6 @@
 
 generic-y += clkdev.h
+generic-y += current.h
 generic-y += exec.h
 generic-y += irq_work.h
 generic-y += kvm_para.h
@@ -10,3 +11,4 @@ generic-y += preempt.h
 generic-y += sections.h
 generic-y += trace_clock.h
 generic-y += word-at-a-time.h
+generic-y += kprobes.h
diff --git a/arch/m32r/include/asm/cmpxchg.h b/arch/m32r/include/asm/cmpxchg.h
index 14bf9b739dd2..23c9d0537201 100644
--- a/arch/m32r/include/asm/cmpxchg.h
+++ b/arch/m32r/include/asm/cmpxchg.h
@@ -64,8 +64,10 @@ __xchg(unsigned long x, volatile void *ptr, int size)
 	return (tmp);
 }
 
-#define xchg(ptr, x)							\
-	((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr), sizeof(*(ptr))))
+#define xchg(ptr, x) ({							\
+	((__typeof__(*(ptr)))__xchg((unsigned long)(x), (ptr),		\
+				    sizeof(*(ptr))));			\
+})
 
 static __always_inline unsigned long
 __xchg_local(unsigned long x, volatile void *ptr, int size)
@@ -187,9 +189,12 @@ __cmpxchg(volatile void *ptr, unsigned long old, unsigned long new, int size)
 	return old;
 }
 
-#define cmpxchg(ptr, o, n)						 \
-	((__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)(o),	 \
-			(unsigned long)(n), sizeof(*(ptr))))
+#define cmpxchg(ptr, o, n) ({				\
+	((__typeof__(*(ptr)))				\
+		 __cmpxchg((ptr), (unsigned long)(o),	\
+			   (unsigned long)(n),		\
+			   sizeof(*(ptr))));		\
+})
 
 #include <asm-generic/cmpxchg-local.h>
 
diff --git a/arch/m32r/include/asm/current.h b/arch/m32r/include/asm/current.h
deleted file mode 100644
index 7859d864f2c2..000000000000
--- a/arch/m32r/include/asm/current.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef _ASM_M32R_CURRENT_H
-#define _ASM_M32R_CURRENT_H
-
-#include <linux/thread_info.h>
-
-struct task_struct;
-
-static __inline__ struct task_struct *get_current(void)
-{
-	return current_thread_info()->task;
-}
-
-#define current	(get_current())
-
-#endif	/* _ASM_M32R_CURRENT_H */
diff --git a/arch/m68k/68000/bootlogo-vz.h b/arch/m68k/68000/bootlogo-vz.h
index b38e2b255142..6ff09beba1ba 100644
--- a/arch/m68k/68000/bootlogo-vz.h
+++ b/arch/m68k/68000/bootlogo-vz.h
@@ -1,6 +1,8 @@
+#include <linux/compiler.h>
+
 #define splash_width 640
 #define splash_height 480
-unsigned char __attribute__ ((aligned(16))) bootlogo_bits[] = {
+unsigned char __aligned(16) bootlogo_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
diff --git a/arch/m68k/68000/bootlogo.h b/arch/m68k/68000/bootlogo.h
index b896c933fafc..c466db3ca3a8 100644
--- a/arch/m68k/68000/bootlogo.h
+++ b/arch/m68k/68000/bootlogo.h
@@ -1,6 +1,8 @@
+#include <linux/compiler.h>
+
 #define bootlogo_width 160
 #define bootlogo_height 160
-unsigned char __attribute__ ((aligned(16))) bootlogo_bits[] = {
+unsigned char __aligned(16) bootlogo_bits[] = {
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x01, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
   0x00, 0x00, 0x40, 0x55, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
diff --git a/arch/m68k/include/asm/Kbuild b/arch/m68k/include/asm/Kbuild
index 6c76d6c24b3d..d4f9ccbfa85c 100644
--- a/arch/m68k/include/asm/Kbuild
+++ b/arch/m68k/include/asm/Kbuild
@@ -33,3 +33,4 @@ generic-y += trace_clock.h
 generic-y += types.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/m68k/include/asm/MC68328.h b/arch/m68k/include/asm/MC68328.h
index 1a8080c4cc40..b61230e74e63 100644
--- a/arch/m68k/include/asm/MC68328.h
+++ b/arch/m68k/include/asm/MC68328.h
@@ -8,6 +8,7 @@
  * Copyright (C) 1998  Kenneth Albanowski <kjahds@kjahds.com>,
  *
  */
+#include <linux/compiler.h>
 
 #ifndef _MC68328_H_
 #define _MC68328_H_
@@ -993,7 +994,7 @@ typedef volatile struct {
   volatile unsigned short int pad1;
   volatile unsigned short int pad2;
   volatile unsigned short int pad3;
-} __attribute__((packed)) m68328_uart;
+} __packed m68328_uart;
 
 
 /**********
diff --git a/arch/m68k/include/asm/MC68EZ328.h b/arch/m68k/include/asm/MC68EZ328.h
index fedac87c5d13..703331ece328 100644
--- a/arch/m68k/include/asm/MC68EZ328.h
+++ b/arch/m68k/include/asm/MC68EZ328.h
@@ -9,6 +9,7 @@
  *                     The Silver Hammer Group, Ltd.
  *
  */
+#include <linux/compiler.h>
 
 #ifndef _MC68EZ328_H_
 #define _MC68EZ328_H_
@@ -815,7 +816,7 @@ typedef volatile struct {
   volatile unsigned short int nipr;
   volatile unsigned short int pad1;
   volatile unsigned short int pad2;
-} __attribute__((packed)) m68328_uart;
+} __packed m68328_uart;
 
 
 /**********
diff --git a/arch/m68k/include/asm/MC68VZ328.h b/arch/m68k/include/asm/MC68VZ328.h
index 34a51b2c784f..fbaed7ddfb41 100644
--- a/arch/m68k/include/asm/MC68VZ328.h
+++ b/arch/m68k/include/asm/MC68VZ328.h
@@ -909,7 +909,7 @@ typedef struct {
   volatile unsigned short int nipr;
   volatile unsigned short int hmark;
   volatile unsigned short int unused;
-} __attribute__((packed)) m68328_uart;
+} __packed m68328_uart;
 
 
 
diff --git a/arch/m68k/include/asm/natfeat.h b/arch/m68k/include/asm/natfeat.h
index a3521b80c3b9..2d2424de1d65 100644
--- a/arch/m68k/include/asm/natfeat.h
+++ b/arch/m68k/include/asm/natfeat.h
@@ -6,6 +6,7 @@
  * This software may be used and distributed according to the terms of
  * the GNU General Public License (GPL), incorporated herein by reference.
  */
+#include <linux/compiler.h>
 
 #ifndef _NATFEAT_H
 #define _NATFEAT_H
@@ -17,6 +18,6 @@ void nf_init(void);
 void nf_shutdown(void);
 
 void nfprint(const char *fmt, ...)
-	__attribute__ ((format (printf, 1, 2)));
+	__printf(1, 2);
 
 # endif /* _NATFEAT_H */
diff --git a/arch/m68k/lib/ashldi3.c b/arch/m68k/lib/ashldi3.c
index 8dffd36ec4f2..ac08f8141390 100644
--- a/arch/m68k/lib/ashldi3.c
+++ b/arch/m68k/lib/ashldi3.c
@@ -18,10 +18,10 @@ GNU General Public License for more details. */
 
 #define BITS_PER_UNIT 8
 
-typedef		 int SItype	__attribute__ ((mode (SI)));
-typedef unsigned int USItype	__attribute__ ((mode (SI)));
-typedef		 int DItype	__attribute__ ((mode (DI)));
-typedef int word_type __attribute__ ((mode (__word__)));
+typedef		 int SItype	__mode(SI);
+typedef unsigned int USItype	__mode(SI);
+typedef		 int DItype	__mode(DI);
+typedef int word_type           __mode(__word__);
 
 struct DIstruct {SItype high, low;};
 
diff --git a/arch/m68k/lib/ashrdi3.c b/arch/m68k/lib/ashrdi3.c
index e6565a3ee2c3..5837b1dd3334 100644
--- a/arch/m68k/lib/ashrdi3.c
+++ b/arch/m68k/lib/ashrdi3.c
@@ -18,10 +18,10 @@ GNU General Public License for more details. */
 
 #define BITS_PER_UNIT 8
 
-typedef		 int SItype	__attribute__ ((mode (SI)));
-typedef unsigned int USItype	__attribute__ ((mode (SI)));
-typedef		 int DItype	__attribute__ ((mode (DI)));
-typedef int word_type __attribute__ ((mode (__word__)));
+typedef		 int SItype	__mode(SI);
+typedef unsigned int USItype	__mode(SI);
+typedef		 int DItype	__mode(DI);
+typedef int word_type           __mode(__word__);
 
 struct DIstruct {SItype high, low;};
 
diff --git a/arch/m68k/lib/lshrdi3.c b/arch/m68k/lib/lshrdi3.c
index 039779737c7d..7f40566be6c8 100644
--- a/arch/m68k/lib/lshrdi3.c
+++ b/arch/m68k/lib/lshrdi3.c
@@ -18,10 +18,10 @@ GNU General Public License for more details. */
 
 #define BITS_PER_UNIT 8
 
-typedef		 int SItype	__attribute__ ((mode (SI)));
-typedef unsigned int USItype	__attribute__ ((mode (SI)));
-typedef		 int DItype	__attribute__ ((mode (DI)));
-typedef int word_type __attribute__ ((mode (__word__)));
+typedef		 int SItype	__mode(SI);
+typedef unsigned int USItype	__mode(SI);
+typedef		 int DItype	__mode(DI);
+typedef int word_type           __mode(__word__);
 
 struct DIstruct {SItype high, low;};
 
diff --git a/arch/m68k/lib/muldi3.c b/arch/m68k/lib/muldi3.c
index 6459af5b2af0..3fb05c698c41 100644
--- a/arch/m68k/lib/muldi3.c
+++ b/arch/m68k/lib/muldi3.c
@@ -65,10 +65,10 @@ GNU General Public License for more details. */
     umul_ppmm (__w.s.high, __w.s.low, u, v);				\
     __w.ll; })
 
-typedef 	 int SItype	__attribute__ ((mode (SI)));
-typedef unsigned int USItype	__attribute__ ((mode (SI)));
-typedef		 int DItype	__attribute__ ((mode (DI)));
-typedef int word_type __attribute__ ((mode (__word__)));
+typedef 	 int SItype	__mode(SI);
+typedef unsigned int USItype	__mode(SI);
+typedef		 int DItype	__mode(DI);
+typedef int word_type           __mode(__word__);
 
 struct DIstruct {SItype high, low;};
 
diff --git a/arch/metag/include/asm/Kbuild b/arch/metag/include/asm/Kbuild
index d3731f0db73b..f9b9df5d6de9 100644
--- a/arch/metag/include/asm/Kbuild
+++ b/arch/metag/include/asm/Kbuild
@@ -54,3 +54,4 @@ generic-y += user.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/microblaze/include/asm/Kbuild b/arch/microblaze/include/asm/Kbuild
index 6275eb051801..1732ec13b211 100644
--- a/arch/microblaze/include/asm/Kbuild
+++ b/arch/microblaze/include/asm/Kbuild
@@ -10,3 +10,4 @@ generic-y += preempt.h
 generic-y += syscalls.h
 generic-y += trace_clock.h
 generic-y += word-at-a-time.h
+generic-y += kprobes.h
diff --git a/arch/mips/include/asm/kprobes.h b/arch/mips/include/asm/kprobes.h
index daba1f9a4f79..291846d9ba83 100644
--- a/arch/mips/include/asm/kprobes.h
+++ b/arch/mips/include/asm/kprobes.h
@@ -22,6 +22,9 @@
 #ifndef _ASM_KPROBES_H
 #define _ASM_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#ifdef CONFIG_KPROBES
 #include <linux/ptrace.h>
 #include <linux/types.h>
 
@@ -94,4 +97,5 @@ struct kprobe_ctlblk {
 extern int kprobe_exceptions_notify(struct notifier_block *self,
 				    unsigned long val, void *data);
 
-#endif				/* _ASM_KPROBES_H */
+#endif /* CONFIG_KPROBES */
+#endif /* _ASM_KPROBES_H */
diff --git a/arch/mips/kernel/vdso.c b/arch/mips/kernel/vdso.c
index f9dbfb14af33..093517e85a6c 100644
--- a/arch/mips/kernel/vdso.c
+++ b/arch/mips/kernel/vdso.c
@@ -111,7 +111,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int uses_interp)
 	base = mmap_region(NULL, STACK_TOP, PAGE_SIZE,
 			   VM_READ|VM_WRITE|VM_EXEC|
 			   VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC,
-			   0);
+			   0, NULL);
 	if (IS_ERR_VALUE(base)) {
 		ret = base;
 		goto out;
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index a39c36af97ad..1895a692efd4 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -148,8 +148,8 @@ static void *mips_dma_alloc_coherent(struct device *dev, size_t size,
 	gfp = massage_gfp_flags(dev, gfp);
 
 	if (IS_ENABLED(CONFIG_DMA_CMA) && gfpflags_allow_blocking(gfp))
-		page = dma_alloc_from_contiguous(dev,
-					count, get_order(size));
+		page = dma_alloc_from_contiguous(dev, count, get_order(size),
+						 gfp);
 	if (!page)
 		page = alloc_pages(gfp, get_order(size));
 
diff --git a/arch/mn10300/include/asm/kprobes.h b/arch/mn10300/include/asm/kprobes.h
index c800b590183a..7abea0bdb549 100644
--- a/arch/mn10300/include/asm/kprobes.h
+++ b/arch/mn10300/include/asm/kprobes.h
@@ -21,13 +21,17 @@
 #ifndef _ASM_KPROBES_H
 #define _ASM_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#define BREAKPOINT_INSTRUCTION	0xff
+
+#ifdef CONFIG_KPROBES
 #include <linux/types.h>
 #include <linux/ptrace.h>
 
 struct kprobe;
 
 typedef unsigned char kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION	0xff
 #define MAX_INSN_SIZE 8
 #define MAX_STACK_SIZE 128
 
@@ -47,4 +51,5 @@ extern int kprobe_exceptions_notify(struct notifier_block *self,
 
 extern void arch_remove_kprobe(struct kprobe *p);
 
+#endif /* CONFIG_KPROBES */
 #endif /* _ASM_KPROBES_H */
diff --git a/arch/nios2/include/asm/Kbuild b/arch/nios2/include/asm/Kbuild
index 35b0e883761a..aaa3c218b56c 100644
--- a/arch/nios2/include/asm/Kbuild
+++ b/arch/nios2/include/asm/Kbuild
@@ -62,3 +62,4 @@ generic-y += user.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/openrisc/include/asm/Kbuild b/arch/openrisc/include/asm/Kbuild
index fb241757f7f0..fb01873a5aad 100644
--- a/arch/openrisc/include/asm/Kbuild
+++ b/arch/openrisc/include/asm/Kbuild
@@ -67,3 +67,4 @@ generic-y += user.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/parisc/include/asm/Kbuild b/arch/parisc/include/asm/Kbuild
index 4e179d770d69..a9909c2d04c5 100644
--- a/arch/parisc/include/asm/Kbuild
+++ b/arch/parisc/include/asm/Kbuild
@@ -2,6 +2,7 @@
 generic-y += auxvec.h
 generic-y += barrier.h
 generic-y += clkdev.h
+generic-y += current.h
 generic-y += device.h
 generic-y += div64.h
 generic-y += emergency-restart.h
@@ -27,3 +28,4 @@ generic-y += user.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/parisc/include/asm/current.h b/arch/parisc/include/asm/current.h
deleted file mode 100644
index 0fb9338e3bf2..000000000000
--- a/arch/parisc/include/asm/current.h
+++ /dev/null
@@ -1,15 +0,0 @@
-#ifndef _PARISC_CURRENT_H
-#define _PARISC_CURRENT_H
-
-#include <linux/thread_info.h>
-
-struct task_struct;
-
-static inline struct task_struct * get_current(void)
-{
-	return current_thread_info()->task;
-}
- 
-#define current get_current()
-
-#endif /* !(_PARISC_CURRENT_H) */
diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c
index a055e5b6b380..66f3a6345105 100644
--- a/arch/parisc/mm/init.c
+++ b/arch/parisc/mm/init.c
@@ -653,55 +653,6 @@ void __init mem_init(void)
 unsigned long *empty_zero_page __read_mostly;
 EXPORT_SYMBOL(empty_zero_page);
 
-void show_mem(unsigned int filter)
-{
-	int total = 0,reserved = 0;
-	pg_data_t *pgdat;
-
-	printk(KERN_INFO "Mem-info:\n");
-	show_free_areas(filter);
-
-	for_each_online_pgdat(pgdat) {
-		unsigned long flags;
-		int zoneid;
-
-		pgdat_resize_lock(pgdat, &flags);
-		for (zoneid = 0; zoneid < MAX_NR_ZONES; zoneid++) {
-			struct zone *zone = &pgdat->node_zones[zoneid];
-			if (!populated_zone(zone))
-				continue;
-
-			total += zone->present_pages;
-			reserved = zone->present_pages - zone->managed_pages;
-		}
-		pgdat_resize_unlock(pgdat, &flags);
-	}
-
-	printk(KERN_INFO "%d pages of RAM\n", total);
-	printk(KERN_INFO "%d reserved pages\n", reserved);
-
-#ifdef CONFIG_DISCONTIGMEM
-	{
-		struct zonelist *zl;
-		int i, j;
-
-		for (i = 0; i < npmem_ranges; i++) {
-			zl = node_zonelist(i, 0);
-			for (j = 0; j < MAX_NR_ZONES; j++) {
-				struct zoneref *z;
-				struct zone *zone;
-
-				printk("Zone list for zone %d on node %d: ", j, i);
-				for_each_zone_zonelist(zone, z, zl, j)
-					printk("[%d/%s] ", zone_to_nid(zone),
-								zone->name);
-				printk("\n");
-			}
-		}
-	}
-#endif
-}
-
 /*
  * pagetable_init() sets up the page tables
  *
diff --git a/arch/powerpc/include/asm/kprobes.h b/arch/powerpc/include/asm/kprobes.h
index d821835ade86..0503c98b2117 100644
--- a/arch/powerpc/include/asm/kprobes.h
+++ b/arch/powerpc/include/asm/kprobes.h
@@ -1,5 +1,8 @@
 #ifndef _ASM_POWERPC_KPROBES_H
 #define _ASM_POWERPC_KPROBES_H
+
+#include <asm-generic/kprobes.h>
+
 #ifdef __KERNEL__
 /*
  *  Kernel Probes (KProbes)
diff --git a/arch/powerpc/include/asm/page.h b/arch/powerpc/include/asm/page.h
index 47120bf2670c..2a32483c7b6c 100644
--- a/arch/powerpc/include/asm/page.h
+++ b/arch/powerpc/include/asm/page.h
@@ -230,7 +230,9 @@ extern long long virt_phys_offset;
  * and needs to be executable.  This means the whole heap ends
  * up being executable.
  */
-#define VM_DATA_DEFAULT_FLAGS32	(VM_READ | VM_WRITE | VM_EXEC | \
+#define VM_DATA_DEFAULT_FLAGS32 \
+	(((current->personality & READ_IMPLIES_EXEC) ? VM_EXEC : 0) | \
+				 VM_READ | VM_WRITE | \
 				 VM_MAYREAD | VM_MAYWRITE | VM_MAYEXEC)
 
 #define VM_DATA_DEFAULT_FLAGS64	(VM_READ | VM_WRITE | \
diff --git a/arch/powerpc/kvm/book3s_64_vio.c b/arch/powerpc/kvm/book3s_64_vio.c
index 491c5d8120f7..ab9d14c0e460 100644
--- a/arch/powerpc/kvm/book3s_64_vio.c
+++ b/arch/powerpc/kvm/book3s_64_vio.c
@@ -102,9 +102,9 @@ static void release_spapr_tce_table(struct rcu_head *head)
 	kfree(stt);
 }
 
-static int kvm_spapr_tce_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+static int kvm_spapr_tce_fault(struct vm_fault *vmf)
 {
-	struct kvmppc_spapr_tce_table *stt = vma->vm_file->private_data;
+	struct kvmppc_spapr_tce_table *stt = vmf->vma->vm_file->private_data;
 	struct page *page;
 
 	if (vmf->pgoff >= kvmppc_tce_pages(stt->size))
diff --git a/arch/powerpc/kvm/book3s_hv_builtin.c b/arch/powerpc/kvm/book3s_hv_builtin.c
index c42a7e63b39e..4d6c64b3041c 100644
--- a/arch/powerpc/kvm/book3s_hv_builtin.c
+++ b/arch/powerpc/kvm/book3s_hv_builtin.c
@@ -56,7 +56,8 @@ struct page *kvm_alloc_hpt_cma(unsigned long nr_pages)
 {
 	VM_BUG_ON(order_base_2(nr_pages) < KVM_CMA_CHUNK_ORDER - PAGE_SHIFT);
 
-	return cma_alloc(kvm_cma, nr_pages, order_base_2(HPT_ALIGN_PAGES));
+	return cma_alloc(kvm_cma, nr_pages, order_base_2(HPT_ALIGN_PAGES),
+			 GFP_KERNEL);
 }
 EXPORT_SYMBOL_GPL(kvm_alloc_hpt_cma);
 
diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c
index 0899315e1434..0d3002b7e2b4 100644
--- a/arch/powerpc/lib/code-patching.c
+++ b/arch/powerpc/lib/code-patching.c
@@ -14,6 +14,7 @@
 #include <asm/page.h>
 #include <asm/code-patching.h>
 #include <linux/uaccess.h>
+#include <linux/kprobes.h>
 
 
 int patch_instruction(unsigned int *addr, unsigned int instr)
diff --git a/arch/powerpc/platforms/cell/spufs/file.c b/arch/powerpc/platforms/cell/spufs/file.c
index 03f2cdfabf23..ae2f740a82f1 100644
--- a/arch/powerpc/platforms/cell/spufs/file.c
+++ b/arch/powerpc/platforms/cell/spufs/file.c
@@ -233,8 +233,9 @@ spufs_mem_write(struct file *file, const char __user *buffer,
 }
 
 static int
-spufs_mem_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+spufs_mem_mmap_fault(struct vm_fault *vmf)
 {
+	struct vm_area_struct *vma = vmf->vma;
 	struct spu_context *ctx	= vma->vm_file->private_data;
 	unsigned long pfn, offset;
 
@@ -311,12 +312,11 @@ static const struct file_operations spufs_mem_fops = {
 	.mmap			= spufs_mem_mmap,
 };
 
-static int spufs_ps_fault(struct vm_area_struct *vma,
-				    struct vm_fault *vmf,
+static int spufs_ps_fault(struct vm_fault *vmf,
 				    unsigned long ps_offs,
 				    unsigned long ps_size)
 {
-	struct spu_context *ctx = vma->vm_file->private_data;
+	struct spu_context *ctx = vmf->vma->vm_file->private_data;
 	unsigned long area, offset = vmf->pgoff << PAGE_SHIFT;
 	int ret = 0;
 
@@ -354,7 +354,7 @@ static int spufs_ps_fault(struct vm_area_struct *vma,
 		down_read(&current->mm->mmap_sem);
 	} else {
 		area = ctx->spu->problem_phys + ps_offs;
-		vm_insert_pfn(vma, vmf->address, (area + offset) >> PAGE_SHIFT);
+		vm_insert_pfn(vmf->vma, vmf->address, (area + offset) >> PAGE_SHIFT);
 		spu_context_trace(spufs_ps_fault__insert, ctx, ctx->spu);
 	}
 
@@ -367,10 +367,9 @@ refault:
 }
 
 #if SPUFS_MMAP_4K
-static int spufs_cntl_mmap_fault(struct vm_area_struct *vma,
-					   struct vm_fault *vmf)
+static int spufs_cntl_mmap_fault(struct vm_fault *vmf)
 {
-	return spufs_ps_fault(vma, vmf, 0x4000, SPUFS_CNTL_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x4000, SPUFS_CNTL_MAP_SIZE);
 }
 
 static const struct vm_operations_struct spufs_cntl_mmap_vmops = {
@@ -1042,15 +1041,15 @@ static ssize_t spufs_signal1_write(struct file *file, const char __user *buf,
 }
 
 static int
-spufs_signal1_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+spufs_signal1_mmap_fault(struct vm_fault *vmf)
 {
 #if SPUFS_SIGNAL_MAP_SIZE == 0x1000
-	return spufs_ps_fault(vma, vmf, 0x14000, SPUFS_SIGNAL_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x14000, SPUFS_SIGNAL_MAP_SIZE);
 #elif SPUFS_SIGNAL_MAP_SIZE == 0x10000
 	/* For 64k pages, both signal1 and signal2 can be used to mmap the whole
 	 * signal 1 and 2 area
 	 */
-	return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE);
 #else
 #error unsupported page size
 #endif
@@ -1180,15 +1179,15 @@ static ssize_t spufs_signal2_write(struct file *file, const char __user *buf,
 
 #if SPUFS_MMAP_4K
 static int
-spufs_signal2_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+spufs_signal2_mmap_fault(struct vm_fault *vmf)
 {
 #if SPUFS_SIGNAL_MAP_SIZE == 0x1000
-	return spufs_ps_fault(vma, vmf, 0x1c000, SPUFS_SIGNAL_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x1c000, SPUFS_SIGNAL_MAP_SIZE);
 #elif SPUFS_SIGNAL_MAP_SIZE == 0x10000
 	/* For 64k pages, both signal1 and signal2 can be used to mmap the whole
 	 * signal 1 and 2 area
 	 */
-	return spufs_ps_fault(vma, vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x10000, SPUFS_SIGNAL_MAP_SIZE);
 #else
 #error unsupported page size
 #endif
@@ -1309,9 +1308,9 @@ DEFINE_SPUFS_ATTRIBUTE(spufs_signal2_type, spufs_signal2_type_get,
 
 #if SPUFS_MMAP_4K
 static int
-spufs_mss_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+spufs_mss_mmap_fault(struct vm_fault *vmf)
 {
-	return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_MSS_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x0000, SPUFS_MSS_MAP_SIZE);
 }
 
 static const struct vm_operations_struct spufs_mss_mmap_vmops = {
@@ -1371,9 +1370,9 @@ static const struct file_operations spufs_mss_fops = {
 };
 
 static int
-spufs_psmap_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+spufs_psmap_mmap_fault(struct vm_fault *vmf)
 {
-	return spufs_ps_fault(vma, vmf, 0x0000, SPUFS_PS_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x0000, SPUFS_PS_MAP_SIZE);
 }
 
 static const struct vm_operations_struct spufs_psmap_mmap_vmops = {
@@ -1431,9 +1430,9 @@ static const struct file_operations spufs_psmap_fops = {
 
 #if SPUFS_MMAP_4K
 static int
-spufs_mfc_mmap_fault(struct vm_area_struct *vma, struct vm_fault *vmf)
+spufs_mfc_mmap_fault(struct vm_fault *vmf)
 {
-	return spufs_ps_fault(vma, vmf, 0x3000, SPUFS_MFC_MAP_SIZE);
+	return spufs_ps_fault(vmf, 0x3000, SPUFS_MFC_MAP_SIZE);
 }
 
 static const struct vm_operations_struct spufs_mfc_mmap_vmops = {
diff --git a/arch/powerpc/xmon/xmon.c b/arch/powerpc/xmon/xmon.c
index 1be0499f5397..5720236d0266 100644
--- a/arch/powerpc/xmon/xmon.c
+++ b/arch/powerpc/xmon/xmon.c
@@ -916,7 +916,7 @@ cmds(struct pt_regs *excp)
 				memzcan();
 				break;
 			case 'i':
-				show_mem(0);
+				show_mem(0, NULL);
 				break;
 			default:
 				termch = cmd;
diff --git a/arch/s390/include/asm/kprobes.h b/arch/s390/include/asm/kprobes.h
index 591e5a5279b0..84c0f9086483 100644
--- a/arch/s390/include/asm/kprobes.h
+++ b/arch/s390/include/asm/kprobes.h
@@ -27,6 +27,11 @@
  * 2005-Dec	Used as a template for s390 by Mike Grundy
  *		<grundym@us.ibm.com>
  */
+#include <asm-generic/kprobes.h>
+
+#define BREAKPOINT_INSTRUCTION	0x0002
+
+#ifdef CONFIG_KPROBES
 #include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
@@ -37,7 +42,6 @@ struct pt_regs;
 struct kprobe;
 
 typedef u16 kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION	0x0002
 
 /* Maximum instruction size is 3 (16bit) halfwords: */
 #define MAX_INSN_SIZE		0x0003
@@ -91,4 +95,5 @@ int probe_is_insn_relative_long(u16 *insn);
 
 #define flush_insn_slot(p)	do { } while (0)
 
+#endif /* CONFIG_KPROBES */
 #endif	/* _ASM_S390_KPROBES_H */
diff --git a/arch/s390/kernel/crash_dump.c b/arch/s390/kernel/crash_dump.c
index f9293bfefb7f..9c9440dc253a 100644
--- a/arch/s390/kernel/crash_dump.c
+++ b/arch/s390/kernel/crash_dump.c
@@ -31,6 +31,7 @@ static struct memblock_type oldmem_type = {
 	.max = 1,
 	.total_size = 0,
 	.regions = &oldmem_region,
+	.name = "oldmem",
 };
 
 struct save_area {
diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c
index ec1f0dedb948..59ac93714fa4 100644
--- a/arch/s390/mm/gmap.c
+++ b/arch/s390/mm/gmap.c
@@ -687,7 +687,7 @@ void gmap_discard(struct gmap *gmap, unsigned long from, unsigned long to)
 		/* Find vma in the parent mm */
 		vma = find_vma(gmap->mm, vmaddr);
 		size = min(to - gaddr, PMD_SIZE - (gaddr & ~PMD_MASK));
-		zap_page_range(vma, vmaddr, size, NULL);
+		zap_page_range(vma, vmaddr, size);
 	}
 	up_read(&gmap->mm->mmap_sem);
 }
diff --git a/arch/score/include/asm/Kbuild b/arch/score/include/asm/Kbuild
index 51970bb6c4fe..3ed3206ccf5e 100644
--- a/arch/score/include/asm/Kbuild
+++ b/arch/score/include/asm/Kbuild
@@ -4,6 +4,7 @@ header-y +=
 
 generic-y += barrier.h
 generic-y += clkdev.h
+generic-y += current.h
 generic-y += irq_work.h
 generic-y += mcs_spinlock.h
 generic-y += mm-arch-hooks.h
@@ -13,3 +14,4 @@ generic-y += trace_clock.h
 generic-y += xor.h
 generic-y += serial.h
 generic-y += word-at-a-time.h
+generic-y += kprobes.h
diff --git a/arch/score/include/asm/current.h b/arch/score/include/asm/current.h
deleted file mode 100644
index 16eae9cbaf1a..000000000000
--- a/arch/score/include/asm/current.h
+++ /dev/null
@@ -1,6 +0,0 @@
-#ifndef _ASM_SCORE_CURRENT_H
-#define _ASM_SCORE_CURRENT_H
-
-#include <asm-generic/current.h>
-
-#endif /* _ASM_SCORE_CURRENT_H */
diff --git a/arch/sh/include/asm/kprobes.h b/arch/sh/include/asm/kprobes.h
index 134f3980e44a..f0986f9b3844 100644
--- a/arch/sh/include/asm/kprobes.h
+++ b/arch/sh/include/asm/kprobes.h
@@ -1,13 +1,16 @@
 #ifndef __ASM_SH_KPROBES_H
 #define __ASM_SH_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#define BREAKPOINT_INSTRUCTION	0xc33a
+
 #ifdef CONFIG_KPROBES
 
 #include <linux/types.h>
 #include <linux/ptrace.h>
 
 typedef insn_size_t kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION	0xc33a
 
 #define MAX_INSN_SIZE 16
 #define MAX_STACK_SIZE 64
diff --git a/arch/sparc/include/asm/kprobes.h b/arch/sparc/include/asm/kprobes.h
index a145d798e112..49f8402035d7 100644
--- a/arch/sparc/include/asm/kprobes.h
+++ b/arch/sparc/include/asm/kprobes.h
@@ -1,13 +1,17 @@
 #ifndef _SPARC64_KPROBES_H
 #define _SPARC64_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#define BREAKPOINT_INSTRUCTION   0x91d02070 /* ta 0x70 */
+#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
+
+#ifdef CONFIG_KPROBES
 #include <linux/types.h>
 #include <linux/percpu.h>
 
 typedef u32 kprobe_opcode_t;
 
-#define BREAKPOINT_INSTRUCTION   0x91d02070 /* ta 0x70 */
-#define BREAKPOINT_INSTRUCTION_2 0x91d02071 /* ta 0x71 */
 #define MAX_INSN_SIZE 2
 
 #define kretprobe_blacklist_size 0
@@ -48,4 +52,6 @@ int kprobe_exceptions_notify(struct notifier_block *self,
 int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
 asmlinkage void __kprobes kprobe_trap(unsigned long trap_level,
 				      struct pt_regs *regs);
+
+#endif /* CONFIG_KPROBES */
 #endif /* _SPARC64_KPROBES_H */
diff --git a/arch/sparc/kernel/setup_32.c b/arch/sparc/kernel/setup_32.c
index c4e65cb3280f..6f06058c5ae7 100644
--- a/arch/sparc/kernel/setup_32.c
+++ b/arch/sparc/kernel/setup_32.c
@@ -82,7 +82,7 @@ static void prom_sync_me(void)
 			     "nop\n\t" : : "r" (&trapbase));
 
 	prom_printf("PROM SYNC COMMAND...\n");
-	show_free_areas(0);
+	show_free_areas(0, NULL);
 	if (!is_idle_task(current)) {
 		local_irq_enable();
 		sys_sync();
diff --git a/arch/sparc/mm/init_32.c b/arch/sparc/mm/init_32.c
index eb8287155279..c6afe98de4d9 100644
--- a/arch/sparc/mm/init_32.c
+++ b/arch/sparc/mm/init_32.c
@@ -55,17 +55,6 @@ extern unsigned int sparc_ramdisk_size;
 
 unsigned long highstart_pfn, highend_pfn;
 
-void show_mem(unsigned int filter)
-{
-	printk("Mem-info:\n");
-	show_free_areas(filter);
-	printk("Free swap:       %6ldkB\n",
-	       get_nr_swap_pages() << (PAGE_SHIFT-10));
-	printk("%ld pages of RAM\n", totalram_pages);
-	printk("%ld free pages\n", nr_free_pages());
-}
-
-
 unsigned long last_valid_pfn;
 
 unsigned long calc_highpages(void)
diff --git a/arch/tile/include/asm/kprobes.h b/arch/tile/include/asm/kprobes.h
index d8f9a83943b1..4a8b1cadca24 100644
--- a/arch/tile/include/asm/kprobes.h
+++ b/arch/tile/include/asm/kprobes.h
@@ -17,10 +17,13 @@
 #ifndef _ASM_TILE_KPROBES_H
 #define _ASM_TILE_KPROBES_H
 
+#include <asm-generic/kprobes.h>
+
+#ifdef CONFIG_KPROBES
+
 #include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
-
 #include <arch/opcode.h>
 
 #define __ARCH_WANT_KPROBES_INSN_SLOT
@@ -76,4 +79,5 @@ void arch_remove_kprobe(struct kprobe *);
 extern int kprobe_exceptions_notify(struct notifier_block *self,
 			     unsigned long val, void *data);
 
+#endif /* CONFIG_KPROBES */
 #endif /* _ASM_TILE_KPROBES_H */
diff --git a/arch/tile/mm/elf.c b/arch/tile/mm/elf.c
index 6225cc998db1..889901824400 100644
--- a/arch/tile/mm/elf.c
+++ b/arch/tile/mm/elf.c
@@ -143,7 +143,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm,
 		unsigned long addr = MEM_USER_INTRPT;
 		addr = mmap_region(NULL, addr, INTRPT_SIZE,
 				   VM_READ|VM_EXEC|
-				   VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, 0);
+				   VM_MAYREAD|VM_MAYWRITE|VM_MAYEXEC, 0, NULL);
 		if (addr > (unsigned long) -PAGE_SIZE)
 			retval = (int) addr;
 	}
diff --git a/arch/tile/mm/pgtable.c b/arch/tile/mm/pgtable.c
index 7cc6ee7f1a58..492a7361e58e 100644
--- a/arch/tile/mm/pgtable.c
+++ b/arch/tile/mm/pgtable.c
@@ -36,51 +36,6 @@
 
 #define K(x) ((x) << (PAGE_SHIFT-10))
 
-/*
- * The normal show_free_areas() is too verbose on Tile, with dozens
- * of processors and often four NUMA zones each with high and lowmem.
- */
-void show_mem(unsigned int filter)
-{
-	struct zone *zone;
-
-	pr_err("Active:%lu inactive:%lu dirty:%lu writeback:%lu unstable:%lu free:%lu\n slab:%lu mapped:%lu pagetables:%lu bounce:%lu pagecache:%lu swap:%lu\n",
-	       (global_node_page_state(NR_ACTIVE_ANON) +
-		global_node_page_state(NR_ACTIVE_FILE)),
-	       (global_node_page_state(NR_INACTIVE_ANON) +
-		global_node_page_state(NR_INACTIVE_FILE)),
-	       global_node_page_state(NR_FILE_DIRTY),
-	       global_node_page_state(NR_WRITEBACK),
-	       global_node_page_state(NR_UNSTABLE_NFS),
-	       global_page_state(NR_FREE_PAGES),
-	       (global_page_state(NR_SLAB_RECLAIMABLE) +
-		global_page_state(NR_SLAB_UNRECLAIMABLE)),
-	       global_node_page_state(NR_FILE_MAPPED),
-	       global_page_state(NR_PAGETABLE),
-	       global_page_state(NR_BOUNCE),
-	       global_node_page_state(NR_FILE_PAGES),
-	       get_nr_swap_pages());
-
-	for_each_zone(zone) {
-		unsigned long flags, order, total = 0, largest_order = -1;
-
-		if (!populated_zone(zone))
-			continue;
-
-		spin_lock_irqsave(&zone->lock, flags);
-		for (order = 0; order < MAX_ORDER; order++) {
-			int nr = zone->free_area[order].nr_free;
-			total += nr << order;
-			if (nr)
-				largest_order = order;
-		}
-		spin_unlock_irqrestore(&zone->lock, flags);
-		pr_err("Node %d %7s: %lukB (largest %luKb)\n",
-		       zone_to_nid(zone), zone->name,
-		       K(total), largest_order ? K(1UL) << largest_order : 0);
-	}
-}
-
 /**
  * shatter_huge_page() - ensure a given address is mapped by a small page.
  *
diff --git a/arch/um/include/asm/Kbuild b/arch/um/include/asm/Kbuild
index 90c281cd7e1d..e9d42aab76dc 100644
--- a/arch/um/include/asm/Kbuild
+++ b/arch/um/include/asm/Kbuild
@@ -25,3 +25,4 @@ generic-y += topology.h
 generic-y += trace_clock.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/unicore32/include/asm/Kbuild b/arch/unicore32/include/asm/Kbuild
index f2fa4c64932c..1397b867906f 100644
--- a/arch/unicore32/include/asm/Kbuild
+++ b/arch/unicore32/include/asm/Kbuild
@@ -60,3 +60,4 @@ generic-y += user.h
 generic-y += vga.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/unicore32/mm/init.c b/arch/unicore32/mm/init.c
index be2bde9b07cf..f4950fbfe574 100644
--- a/arch/unicore32/mm/init.c
+++ b/arch/unicore32/mm/init.c
@@ -57,50 +57,6 @@ early_param("initrd", early_initrd);
  */
 struct meminfo meminfo;
 
-void show_mem(unsigned int filter)
-{
-	int free = 0, total = 0, reserved = 0;
-	int shared = 0, cached = 0, slab = 0, i;
-	struct meminfo *mi = &meminfo;
-
-	printk(KERN_DEFAULT "Mem-info:\n");
-	show_free_areas(filter);
-
-	for_each_bank(i, mi) {
-		struct membank *bank = &mi->bank[i];
-		unsigned int pfn1, pfn2;
-		struct page *page, *end;
-
-		pfn1 = bank_pfn_start(bank);
-		pfn2 = bank_pfn_end(bank);
-
-		page = pfn_to_page(pfn1);
-		end  = pfn_to_page(pfn2 - 1) + 1;
-
-		do {
-			total++;
-			if (PageReserved(page))
-				reserved++;
-			else if (PageSwapCache(page))
-				cached++;
-			else if (PageSlab(page))
-				slab++;
-			else if (!page_count(page))
-				free++;
-			else
-				shared += page_count(page) - 1;
-			page++;
-		} while (page < end);
-	}
-
-	printk(KERN_DEFAULT "%d pages of RAM\n", total);
-	printk(KERN_DEFAULT "%d free pages\n", free);
-	printk(KERN_DEFAULT "%d reserved pages\n", reserved);
-	printk(KERN_DEFAULT "%d slab pages\n", slab);
-	printk(KERN_DEFAULT "%d pages shared\n", shared);
-	printk(KERN_DEFAULT "%d pages swap cached\n", cached);
-}
-
 static void __init find_limits(unsigned long *min, unsigned long *max_low,
 	unsigned long *max_high)
 {
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 37f4373aa166..d6ec989a73c4 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -108,6 +108,7 @@ config X86
 	select HAVE_ARCH_SECCOMP_FILTER
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_ARCH_TRANSPARENT_HUGEPAGE
+	select HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD if X86_64
 	select HAVE_ARCH_VMAP_STACK		if X86_64
 	select HAVE_ARCH_WITHIN_STACK_FRAMES
 	select HAVE_CC_STACKPROTECTOR
diff --git a/arch/x86/Kconfig.debug b/arch/x86/Kconfig.debug
index c4cba00dbdee..63c1d13aaf9f 100644
--- a/arch/x86/Kconfig.debug
+++ b/arch/x86/Kconfig.debug
@@ -74,14 +74,6 @@ config EFI_PGT_DUMP
 	  issues with the mapping of the EFI runtime regions into that
 	  table.
 
-config DEBUG_RODATA_TEST
-	bool "Testcase for the marking rodata read-only"
-	default y
-	---help---
-	  This option enables a testcase for the setting rodata read-only
-	  as well as for the change_page_attr() infrastructure.
-	  If in doubt, say "N"
-
 config DEBUG_WX
 	bool "Warn on W+X mappings at boot"
 	select X86_PTDUMP_CORE
diff --git a/arch/x86/entry/vdso/vma.c b/arch/x86/entry/vdso/vma.c
index 10820f6cefbf..572cee3fccff 100644
--- a/arch/x86/entry/vdso/vma.c
+++ b/arch/x86/entry/vdso/vma.c
@@ -186,7 +186,7 @@ static int map_vdso(const struct vdso_image *image, unsigned long addr)
 
 	if (IS_ERR(vma)) {
 		ret = PTR_ERR(vma);
-		do_munmap(mm, text_start, image->size);
+		do_munmap(mm, text_start, image->size, NULL);
 	} else {
 		current->mm->context.vdso = (void __user *)text_start;
 		current->mm->context.vdso_image = image;
diff --git a/arch/x86/include/asm/cacheflush.h b/arch/x86/include/asm/cacheflush.h
index 872877d930de..e7e1942edff7 100644
--- a/arch/x86/include/asm/cacheflush.h
+++ b/arch/x86/include/asm/cacheflush.h
@@ -90,18 +90,8 @@ void clflush_cache_range(void *addr, unsigned int size);
 
 #define mmio_flush_range(addr, size) clflush_cache_range(addr, size)
 
-extern const int rodata_test_data;
 extern int kernel_set_to_readonly;
 void set_kernel_text_rw(void);
 void set_kernel_text_ro(void);
 
-#ifdef CONFIG_DEBUG_RODATA_TEST
-int rodata_test(void);
-#else
-static inline int rodata_test(void)
-{
-	return 0;
-}
-#endif
-
 #endif /* _ASM_X86_CACHEFLUSH_H */
diff --git a/arch/x86/include/asm/kprobes.h b/arch/x86/include/asm/kprobes.h
index d1d1e5094c28..200581691c6e 100644
--- a/arch/x86/include/asm/kprobes.h
+++ b/arch/x86/include/asm/kprobes.h
@@ -21,6 +21,12 @@
  *
  * See arch/x86/kernel/kprobes.c for x86 kprobes history.
  */
+
+#include <asm-generic/kprobes.h>
+
+#define BREAKPOINT_INSTRUCTION	0xcc
+
+#ifdef CONFIG_KPROBES
 #include <linux/types.h>
 #include <linux/ptrace.h>
 #include <linux/percpu.h>
@@ -32,7 +38,6 @@ struct pt_regs;
 struct kprobe;
 
 typedef u8 kprobe_opcode_t;
-#define BREAKPOINT_INSTRUCTION	0xcc
 #define RELATIVEJUMP_OPCODE 0xe9
 #define RELATIVEJUMP_SIZE 5
 #define RELATIVECALL_OPCODE 0xe8
@@ -116,4 +121,6 @@ extern int kprobe_exceptions_notify(struct notifier_block *self,
 				    unsigned long val, void *data);
 extern int kprobe_int3_handler(struct pt_regs *regs);
 extern int kprobe_debug_handler(struct pt_regs *regs);
+
+#endif /* CONFIG_KPROBES */
 #endif /* _ASM_X86_KPROBES_H */
diff --git a/arch/x86/include/asm/paravirt.h b/arch/x86/include/asm/paravirt.h
index 1eea6ca40694..1b5c1725c630 100644
--- a/arch/x86/include/asm/paravirt.h
+++ b/arch/x86/include/asm/paravirt.h
@@ -475,6 +475,17 @@ static inline void set_pmd_at(struct mm_struct *mm, unsigned long addr,
 			    native_pmd_val(pmd));
 }
 
+static inline void set_pud_at(struct mm_struct *mm, unsigned long addr,
+			      pud_t *pudp, pud_t pud)
+{
+	if (sizeof(pudval_t) > sizeof(long))
+		/* 5 arg words */
+		pv_mmu_ops.set_pud_at(mm, addr, pudp, pud);
+	else
+		PVOP_VCALL4(pv_mmu_ops.set_pud_at, mm, addr, pudp,
+			    native_pud_val(pud));
+}
+
 static inline void set_pmd(pmd_t *pmdp, pmd_t pmd)
 {
 	pmdval_t val = native_pmd_val(pmd);
diff --git a/arch/x86/include/asm/paravirt_types.h b/arch/x86/include/asm/paravirt_types.h
index bb2de45a60f2..b060f962d581 100644
--- a/arch/x86/include/asm/paravirt_types.h
+++ b/arch/x86/include/asm/paravirt_types.h
@@ -249,6 +249,8 @@ struct pv_mmu_ops {
 	void (*set_pmd)(pmd_t *pmdp, pmd_t pmdval);
 	void (*set_pmd_at)(struct mm_struct *mm, unsigned long addr,
 			   pmd_t *pmdp, pmd_t pmdval);
+	void (*set_pud_at)(struct mm_struct *mm, unsigned long addr,
+			   pud_t *pudp, pud_t pudval);
 	void (*pte_update)(struct mm_struct *mm, unsigned long addr,
 			   pte_t *ptep);
 
diff --git a/arch/x86/include/asm/pgtable-2level.h b/arch/x86/include/asm/pgtable-2level.h
index fd74a11959de..a8b96e708c2b 100644
--- a/arch/x86/include/asm/pgtable-2level.h
+++ b/arch/x86/include/asm/pgtable-2level.h
@@ -21,6 +21,10 @@ static inline void native_set_pmd(pmd_t *pmdp, pmd_t pmd)
 	*pmdp = pmd;
 }
 
+static inline void native_set_pud(pud_t *pudp, pud_t pud)
+{
+}
+
 static inline void native_set_pte_atomic(pte_t *ptep, pte_t pte)
 {
 	native_set_pte(ptep, pte);
@@ -31,6 +35,10 @@ static inline void native_pmd_clear(pmd_t *pmdp)
 	native_set_pmd(pmdp, __pmd(0));
 }
 
+static inline void native_pud_clear(pud_t *pudp)
+{
+}
+
 static inline void native_pte_clear(struct mm_struct *mm,
 				    unsigned long addr, pte_t *xp)
 {
@@ -55,6 +63,15 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *xp)
 #define native_pmdp_get_and_clear(xp) native_local_pmdp_get_and_clear(xp)
 #endif
 
+#ifdef CONFIG_SMP
+static inline pud_t native_pudp_get_and_clear(pud_t *xp)
+{
+	return __pud(xchg((pudval_t *)xp, 0));
+}
+#else
+#define native_pudp_get_and_clear(xp) native_local_pudp_get_and_clear(xp)
+#endif
+
 /* Bit manipulation helper on pte/pgoff entry */
 static inline unsigned long pte_bitop(unsigned long value, unsigned int rightshift,
 				      unsigned long mask, unsigned int leftshift)
diff --git a/arch/x86/include/asm/pgtable-3level.h b/arch/x86/include/asm/pgtable-3level.h
index cdaa58c9b39e..50d35e3185f5 100644
--- a/arch/x86/include/asm/pgtable-3level.h
+++ b/arch/x86/include/asm/pgtable-3level.h
@@ -121,6 +121,10 @@ static inline void native_pmd_clear(pmd_t *pmd)
 	*(tmp + 1) = 0;
 }
 
+static inline void native_pud_clear(pud_t *pudp)
+{
+}
+
 static inline void pud_clear(pud_t *pudp)
 {
 	set_pud(pudp, __pud(0));
@@ -176,6 +180,30 @@ static inline pmd_t native_pmdp_get_and_clear(pmd_t *pmdp)
 #define native_pmdp_get_and_clear(xp) native_local_pmdp_get_and_clear(xp)
 #endif
 
+#ifdef CONFIG_SMP
+union split_pud {
+	struct {
+		u32 pud_low;
+		u32 pud_high;
+	};
+	pud_t pud;
+};
+
+static inline pud_t native_pudp_get_and_clear(pud_t *pudp)
+{
+	union split_pud res, *orig = (union split_pud *)pudp;
+
+	/* xchg acts as a barrier before setting of the high bits */
+	res.pud_low = xchg(&orig->pud_low, 0);
+	res.pud_high = orig->pud_high;
+	orig->pud_high = 0;
+
+	return res.pud;
+}
+#else
+#define native_pudp_get_and_clear(xp) native_local_pudp_get_and_clear(xp)
+#endif
+
 /* Encode and de-code a swap entry */
 #define MAX_SWAPFILES_CHECK() BUILD_BUG_ON(MAX_SWAPFILES_SHIFT > 5)
 #define __swp_type(x)			(((x).val) & 0x1f)
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 437feb436efa..1cfb36b8c024 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -46,6 +46,7 @@ extern struct mm_struct *pgd_page_get_mm(struct page *page);
 #define set_pte(ptep, pte)		native_set_pte(ptep, pte)
 #define set_pte_at(mm, addr, ptep, pte)	native_set_pte_at(mm, addr, ptep, pte)
 #define set_pmd_at(mm, addr, pmdp, pmd)	native_set_pmd_at(mm, addr, pmdp, pmd)
+#define set_pud_at(mm, addr, pudp, pud)	native_set_pud_at(mm, addr, pudp, pud)
 
 #define set_pte_atomic(ptep, pte)					\
 	native_set_pte_atomic(ptep, pte)
@@ -128,6 +129,16 @@ static inline int pmd_young(pmd_t pmd)
 	return pmd_flags(pmd) & _PAGE_ACCESSED;
 }
 
+static inline int pud_dirty(pud_t pud)
+{
+	return pud_flags(pud) & _PAGE_DIRTY;
+}
+
+static inline int pud_young(pud_t pud)
+{
+	return pud_flags(pud) & _PAGE_ACCESSED;
+}
+
 static inline int pte_write(pte_t pte)
 {
 	return pte_flags(pte) & _PAGE_RW;
@@ -181,6 +192,13 @@ static inline int pmd_trans_huge(pmd_t pmd)
 	return (pmd_val(pmd) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE;
 }
 
+#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
+static inline int pud_trans_huge(pud_t pud)
+{
+	return (pud_val(pud) & (_PAGE_PSE|_PAGE_DEVMAP)) == _PAGE_PSE;
+}
+#endif
+
 #define has_transparent_hugepage has_transparent_hugepage
 static inline int has_transparent_hugepage(void)
 {
@@ -192,6 +210,18 @@ static inline int pmd_devmap(pmd_t pmd)
 {
 	return !!(pmd_val(pmd) & _PAGE_DEVMAP);
 }
+
+#ifdef CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD
+static inline int pud_devmap(pud_t pud)
+{
+	return !!(pud_val(pud) & _PAGE_DEVMAP);
+}
+#else
+static inline int pud_devmap(pud_t pud)
+{
+	return 0;
+}
+#endif
 #endif
 #endif /* CONFIG_TRANSPARENT_HUGEPAGE */
 
@@ -333,6 +363,65 @@ static inline pmd_t pmd_mknotpresent(pmd_t pmd)
 	return pmd_clear_flags(pmd, _PAGE_PRESENT | _PAGE_PROTNONE);
 }
 
+static inline pud_t pud_set_flags(pud_t pud, pudval_t set)
+{
+	pudval_t v = native_pud_val(pud);
+
+	return __pud(v | set);
+}
+
+static inline pud_t pud_clear_flags(pud_t pud, pudval_t clear)
+{
+	pudval_t v = native_pud_val(pud);
+
+	return __pud(v & ~clear);
+}
+
+static inline pud_t pud_mkold(pud_t pud)
+{
+	return pud_clear_flags(pud, _PAGE_ACCESSED);
+}
+
+static inline pud_t pud_mkclean(pud_t pud)
+{
+	return pud_clear_flags(pud, _PAGE_DIRTY);
+}
+
+static inline pud_t pud_wrprotect(pud_t pud)
+{
+	return pud_clear_flags(pud, _PAGE_RW);
+}
+
+static inline pud_t pud_mkdirty(pud_t pud)
+{
+	return pud_set_flags(pud, _PAGE_DIRTY | _PAGE_SOFT_DIRTY);
+}
+
+static inline pud_t pud_mkdevmap(pud_t pud)
+{
+	return pud_set_flags(pud, _PAGE_DEVMAP);
+}
+
+static inline pud_t pud_mkhuge(pud_t pud)
+{
+	return pud_set_flags(pud, _PAGE_PSE);
+}
+
+static inline pud_t pud_mkyoung(pud_t pud)
+{
+	return pud_set_flags(pud, _PAGE_ACCESSED);
+}
+
+static inline pud_t pud_mkwrite(pud_t pud)
+{
+	return pud_set_flags(pud, _PAGE_RW);
+}
+
+static inline pud_t pud_mknotpresent(pud_t pud)
+{
+	return pud_clear_flags(pud, _PAGE_PRESENT | _PAGE_PROTNONE);
+}
+
 #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
 static inline int pte_soft_dirty(pte_t pte)
 {
@@ -344,6 +433,11 @@ static inline int pmd_soft_dirty(pmd_t pmd)
 	return pmd_flags(pmd) & _PAGE_SOFT_DIRTY;
 }
 
+static inline int pud_soft_dirty(pud_t pud)
+{
+	return pud_flags(pud) & _PAGE_SOFT_DIRTY;
+}
+
 static inline pte_t pte_mksoft_dirty(pte_t pte)
 {
 	return pte_set_flags(pte, _PAGE_SOFT_DIRTY);
@@ -354,6 +448,11 @@ static inline pmd_t pmd_mksoft_dirty(pmd_t pmd)
 	return pmd_set_flags(pmd, _PAGE_SOFT_DIRTY);
 }
 
+static inline pud_t pud_mksoft_dirty(pud_t pud)
+{
+	return pud_set_flags(pud, _PAGE_SOFT_DIRTY);
+}
+
 static inline pte_t pte_clear_soft_dirty(pte_t pte)
 {
 	return pte_clear_flags(pte, _PAGE_SOFT_DIRTY);
@@ -364,6 +463,11 @@ static inline pmd_t pmd_clear_soft_dirty(pmd_t pmd)
 	return pmd_clear_flags(pmd, _PAGE_SOFT_DIRTY);
 }
 
+static inline pud_t pud_clear_soft_dirty(pud_t pud)
+{
+	return pud_clear_flags(pud, _PAGE_SOFT_DIRTY);
+}
+
 #endif /* CONFIG_HAVE_ARCH_SOFT_DIRTY */
 
 /*
@@ -392,6 +496,12 @@ static inline pmd_t pfn_pmd(unsigned long page_nr, pgprot_t pgprot)
 		     massage_pgprot(pgprot));
 }
 
+static inline pud_t pfn_pud(unsigned long page_nr, pgprot_t pgprot)
+{
+	return __pud(((phys_addr_t)page_nr << PAGE_SHIFT) |
+		     massage_pgprot(pgprot));
+}
+
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
 	pteval_t val = pte_val(pte);
@@ -771,6 +881,14 @@ static inline pmd_t native_local_pmdp_get_and_clear(pmd_t *pmdp)
 	return res;
 }
 
+static inline pud_t native_local_pudp_get_and_clear(pud_t *pudp)
+{
+	pud_t res = *pudp;
+
+	native_pud_clear(pudp);
+	return res;
+}
+
 static inline void native_set_pte_at(struct mm_struct *mm, unsigned long addr,
 				     pte_t *ptep , pte_t pte)
 {
@@ -783,6 +901,12 @@ static inline void native_set_pmd_at(struct mm_struct *mm, unsigned long addr,
 	native_set_pmd(pmdp, pmd);
 }
 
+static inline void native_set_pud_at(struct mm_struct *mm, unsigned long addr,
+				     pud_t *pudp, pud_t pud)
+{
+	native_set_pud(pudp, pud);
+}
+
 #ifndef CONFIG_PARAVIRT
 /*
  * Rules for using pte_update - it must be called after any PTE update which
@@ -861,10 +985,15 @@ static inline void ptep_set_wrprotect(struct mm_struct *mm,
 extern int pmdp_set_access_flags(struct vm_area_struct *vma,
 				 unsigned long address, pmd_t *pmdp,
 				 pmd_t entry, int dirty);
+extern int pudp_set_access_flags(struct vm_area_struct *vma,
+				 unsigned long address, pud_t *pudp,
+				 pud_t entry, int dirty);
 
 #define __HAVE_ARCH_PMDP_TEST_AND_CLEAR_YOUNG
 extern int pmdp_test_and_clear_young(struct vm_area_struct *vma,
 				     unsigned long addr, pmd_t *pmdp);
+extern int pudp_test_and_clear_young(struct vm_area_struct *vma,
+				     unsigned long addr, pud_t *pudp);
 
 #define __HAVE_ARCH_PMDP_CLEAR_YOUNG_FLUSH
 extern int pmdp_clear_flush_young(struct vm_area_struct *vma,
@@ -884,6 +1013,13 @@ static inline pmd_t pmdp_huge_get_and_clear(struct mm_struct *mm, unsigned long
 	return native_pmdp_get_and_clear(pmdp);
 }
 
+#define __HAVE_ARCH_PUDP_HUGE_GET_AND_CLEAR
+static inline pud_t pudp_huge_get_and_clear(struct mm_struct *mm,
+					unsigned long addr, pud_t *pudp)
+{
+	return native_pudp_get_and_clear(pudp);
+}
+
 #define __HAVE_ARCH_PMDP_SET_WRPROTECT
 static inline void pmdp_set_wrprotect(struct mm_struct *mm,
 				      unsigned long addr, pmd_t *pmdp)
@@ -932,6 +1068,10 @@ static inline void update_mmu_cache_pmd(struct vm_area_struct *vma,
 		unsigned long addr, pmd_t *pmd)
 {
 }
+static inline void update_mmu_cache_pud(struct vm_area_struct *vma,
+		unsigned long addr, pud_t *pud)
+{
+}
 
 #ifdef CONFIG_HAVE_ARCH_SOFT_DIRTY
 static inline pte_t pte_swp_mksoft_dirty(pte_t pte)
diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h
index 62b775926045..73c7ccc38912 100644
--- a/arch/x86/include/asm/pgtable_64.h
+++ b/arch/x86/include/asm/pgtable_64.h
@@ -106,6 +106,21 @@ static inline void native_pud_clear(pud_t *pud)
 	native_set_pud(pud, native_make_pud(0));
 }
 
+static inline pud_t native_pudp_get_and_clear(pud_t *xp)
+{
+#ifdef CONFIG_SMP
+	return native_make_pud(xchg(&xp->pud, 0));
+#else
+	/* native_local_pudp_get_and_clear,
+	 * but duplicated because of cyclic dependency
+	 */
+	pud_t ret = *xp;
+
+	native_pud_clear(xp);
+	return ret;
+#endif
+}
+
 static inline void native_set_pgd(pgd_t *pgdp, pgd_t pgd)
 {
 	*pgdp = pgd;
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile
index bdcdb3b3a219..84c00592d359 100644
--- a/arch/x86/kernel/Makefile
+++ b/arch/x86/kernel/Makefile
@@ -100,7 +100,6 @@ obj-$(CONFIG_HPET_TIMER) 	+= hpet.o
 obj-$(CONFIG_APB_TIMER)		+= apb_timer.o
 
 obj-$(CONFIG_AMD_NB)		+= amd_nb.o
-obj-$(CONFIG_DEBUG_RODATA_TEST)	+= test_rodata.o
 obj-$(CONFIG_DEBUG_NMI_SELFTEST) += nmi_selftest.o
 
 obj-$(CONFIG_KVM_GUEST)		+= kvm.o kvmclock.o
diff --git a/arch/x86/kernel/machine_kexec_64.c b/arch/x86/kernel/machine_kexec_64.c
index 307b1f4543de..2e3c34b1df37 100644
--- a/arch/x86/kernel/machine_kexec_64.c
+++ b/arch/x86/kernel/machine_kexec_64.c
@@ -338,6 +338,7 @@ void arch_crash_save_vmcoreinfo(void)
 	vmcoreinfo_append_str("KERNELOFFSET=%lx\n",
 			      kaslr_offset());
 	VMCOREINFO_NUMBER(KERNEL_IMAGE_SIZE);
+	VMCOREINFO_PHYS_BASE(phys_base);
 }
 
 /* arch-dependent functionality related to kexec file-based syscall */
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index a1bfba0f7234..4797e87b0fb6 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -425,6 +425,7 @@ struct pv_mmu_ops pv_mmu_ops __ro_after_init = {
 	.pmd_clear = native_pmd_clear,
 #endif
 	.set_pud = native_set_pud,
+	.set_pud_at = native_set_pud_at,
 
 	.pmd_val = PTE_IDENT,
 	.make_pmd = PTE_IDENT,
diff --git a/arch/x86/kernel/pci-dma.c b/arch/x86/kernel/pci-dma.c
index d30c37750765..d5c223c9cf11 100644
--- a/arch/x86/kernel/pci-dma.c
+++ b/arch/x86/kernel/pci-dma.c
@@ -91,7 +91,8 @@ again:
 	page = NULL;
 	/* CMA can be used only in the context which permits sleeping */
 	if (gfpflags_allow_blocking(flag)) {
-		page = dma_alloc_from_contiguous(dev, count, get_order(size));
+		page = dma_alloc_from_contiguous(dev, count, get_order(size),
+						 flag);
 		if (page && page_to_phys(page) + size > dma_mask) {
 			dma_release_from_contiguous(dev, page, count);
 			page = NULL;
diff --git a/arch/x86/kernel/test_rodata.c b/arch/x86/kernel/test_rodata.c
deleted file mode 100644
index 222e84e2432e..000000000000
--- a/arch/x86/kernel/test_rodata.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * test_rodata.c: functional test for mark_rodata_ro function
- *
- * (C) Copyright 2008 Intel Corporation
- * Author: Arjan van de Ven <arjan@linux.intel.com>
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; version 2
- * of the License.
- */
-#include <asm/cacheflush.h>
-#include <asm/sections.h>
-#include <asm/asm.h>
-
-int rodata_test(void)
-{
-	unsigned long result;
-	unsigned long start, end;
-
-	/* test 1: read the value */
-	/* If this test fails, some previous testrun has clobbered the state */
-	if (!rodata_test_data) {
-		printk(KERN_ERR "rodata_test: test 1 fails (start data)\n");
-		return -ENODEV;
-	}
-
-	/* test 2: write to the variable; this should fault */
-	/*
-	 * If this test fails, we managed to overwrite the data
-	 *
-	 * This is written in assembly to be able to catch the
-	 * exception that is supposed to happen in the correct
-	 * case
-	 */
-
-	result = 1;
-	asm volatile(
-		"0:	mov %[zero],(%[rodata_test])\n"
-		"	mov %[zero], %[rslt]\n"
-		"1:\n"
-		".section .fixup,\"ax\"\n"
-		"2:	jmp 1b\n"
-		".previous\n"
-		_ASM_EXTABLE(0b,2b)
-		: [rslt] "=r" (result)
-		: [rodata_test] "r" (&rodata_test_data), [zero] "r" (0UL)
-	);
-
-
-	if (!result) {
-		printk(KERN_ERR "rodata_test: test data was not read only\n");
-		return -ENODEV;
-	}
-
-	/* test 3: check the value hasn't changed */
-	/* If this test fails, we managed to overwrite the data */
-	if (!rodata_test_data) {
-		printk(KERN_ERR "rodata_test: Test 3 fails (end data)\n");
-		return -ENODEV;
-	}
-	/* test 4: check if the rodata section is 4Kb aligned */
-	start = (unsigned long)__start_rodata;
-	end = (unsigned long)__end_rodata;
-	if (start & (PAGE_SIZE - 1)) {
-		printk(KERN_ERR "rodata_test: .rodata is not 4k aligned\n");
-		return -ENODEV;
-	}
-	if (end & (PAGE_SIZE - 1)) {
-		printk(KERN_ERR "rodata_test: .rodata end is not 4k aligned\n");
-		return -ENODEV;
-	}
-
-	return 0;
-}
diff --git a/arch/x86/mm/init_32.c b/arch/x86/mm/init_32.c
index 928d657de829..2b4b53e6793f 100644
--- a/arch/x86/mm/init_32.c
+++ b/arch/x86/mm/init_32.c
@@ -864,9 +864,6 @@ static noinline int do_test_wp_bit(void)
 	return flag;
 }
 
-const int rodata_test_data = 0xC3;
-EXPORT_SYMBOL_GPL(rodata_test_data);
-
 int kernel_set_to_readonly __read_mostly;
 
 void set_kernel_text_rw(void)
@@ -939,7 +936,6 @@ void mark_rodata_ro(void)
 	set_pages_ro(virt_to_page(start), size >> PAGE_SHIFT);
 	printk(KERN_INFO "Write protecting the kernel read-only data: %luk\n",
 		size >> 10);
-	rodata_test();
 
 #ifdef CONFIG_CPA_DEBUG
 	printk(KERN_INFO "Testing CPA: undo %lx-%lx\n", start, start + size);
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index af85b686a7b0..a4880d8143c7 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -650,6 +650,17 @@ int arch_add_memory(int nid, u64 start, u64 size, bool for_device)
 	unsigned long nr_pages = size >> PAGE_SHIFT;
 	int ret;
 
+	/*
+	 * Only allow partial section hotplug for ZONE_DEVICE ranges,
+	 * since register_new_memory() requires section alignment, and
+	 * CONFIG_SPARSEMEM_VMEMMAP=n requires sections to be fully
+	 * populated.
+	 */
+	if ((!IS_ENABLED(CONFIG_SPARSEMEM_VMEMMAP) || !for_device)
+			&& ((start & ~PA_SECTION_MASK)
+				|| (size & ~PA_SECTION_MASK)))
+		return -EINVAL;
+
 	init_memory_mapping(start, start + size);
 
 	ret = __add_pages(nid, zone, start_pfn, nr_pages);
@@ -679,7 +690,7 @@ static void __meminit free_pagetable(struct page *page, int order)
 	if (PageReserved(page)) {
 		__ClearPageReserved(page);
 
-		magic = (unsigned long)page->lru.next;
+		magic = (unsigned long)page->freelist;
 		if (magic == SECTION_INFO || magic == MIX_SECTION_INFO) {
 			while (nr_pages--)
 				put_page_bootmem(page++);
@@ -1000,9 +1011,6 @@ void __init mem_init(void)
 	mem_init_print_info(NULL);
 }
 
-const int rodata_test_data = 0xC3;
-EXPORT_SYMBOL_GPL(rodata_test_data);
-
 int kernel_set_to_readonly;
 
 void set_kernel_text_rw(void)
@@ -1071,8 +1079,6 @@ void mark_rodata_ro(void)
 	all_end = roundup((unsigned long)_brk_end, PMD_SIZE);
 	set_memory_nx(text_end, (all_end - text_end) >> PAGE_SHIFT);
 
-	rodata_test();
-
 #ifdef CONFIG_CPA_DEBUG
 	printk(KERN_INFO "Testing CPA: undo %lx-%lx\n", start, end);
 	set_memory_rw(start, (end-start) >> PAGE_SHIFT);
@@ -1220,7 +1226,9 @@ int __meminit vmemmap_populate(unsigned long start, unsigned long end, int node)
 	struct vmem_altmap *altmap = to_vmem_altmap(start);
 	int err;
 
-	if (boot_cpu_has(X86_FEATURE_PSE))
+	if (end - start < PAGES_PER_SECTION * sizeof(struct page))
+		err = vmemmap_populate_basepages(start, end, node);
+	else if (boot_cpu_has(X86_FEATURE_PSE))
 		err = vmemmap_populate_hugepages(start, end, node, altmap);
 	else if (altmap) {
 		pr_err_once("%s: no cpu support for altmap allocations\n",
diff --git a/arch/x86/mm/mpx.c b/arch/x86/mm/mpx.c
index af59f808742f..c98079684bdb 100644
--- a/arch/x86/mm/mpx.c
+++ b/arch/x86/mm/mpx.c
@@ -51,7 +51,7 @@ static unsigned long mpx_mmap(unsigned long len)
 
 	down_write(&mm->mmap_sem);
 	addr = do_mmap(NULL, 0, len, PROT_READ | PROT_WRITE,
-			MAP_ANONYMOUS | MAP_PRIVATE, VM_MPX, 0, &populate);
+		       MAP_ANONYMOUS | MAP_PRIVATE, VM_MPX, 0, &populate, NULL);
 	up_write(&mm->mmap_sem);
 	if (populate)
 		mm_populate(addr, populate);
@@ -796,7 +796,7 @@ static noinline int zap_bt_entries_mapping(struct mm_struct *mm,
 			return -EINVAL;
 
 		len = min(vma->vm_end, end) - addr;
-		zap_page_range(vma, addr, len, NULL);
+		zap_page_range(vma, addr, len);
 		trace_mpx_unmap_zap(addr, addr+len);
 
 		vma = vma->vm_next;
@@ -893,7 +893,7 @@ static int unmap_entire_bt(struct mm_struct *mm,
 	 * avoid recursion, do_munmap() will check whether it comes
 	 * from one bounds table through VM_MPX flag.
 	 */
-	return do_munmap(mm, bt_addr, mpx_bt_size_bytes(mm));
+	return do_munmap(mm, bt_addr, mpx_bt_size_bytes(mm), NULL);
 }
 
 static int try_unmap_single_bt(struct mm_struct *mm,
diff --git a/arch/x86/mm/pgtable.c b/arch/x86/mm/pgtable.c
index 3feec5af4e67..6cbdff26bb96 100644
--- a/arch/x86/mm/pgtable.c
+++ b/arch/x86/mm/pgtable.c
@@ -445,6 +445,26 @@ int pmdp_set_access_flags(struct vm_area_struct *vma,
 
 	return changed;
 }
+
+int pudp_set_access_flags(struct vm_area_struct *vma, unsigned long address,
+			  pud_t *pudp, pud_t entry, int dirty)
+{
+	int changed = !pud_same(*pudp, entry);
+
+	VM_BUG_ON(address & ~HPAGE_PUD_MASK);
+
+	if (changed && dirty) {
+		*pudp = entry;
+		/*
+		 * We had a write-protection fault here and changed the pud
+		 * to to more permissive. No need to flush the TLB for that,
+		 * #PF is architecturally guaranteed to do that and in the
+		 * worst-case we'll generate a spurious fault.
+		 */
+	}
+
+	return changed;
+}
 #endif
 
 int ptep_test_and_clear_young(struct vm_area_struct *vma,
@@ -474,6 +494,17 @@ int pmdp_test_and_clear_young(struct vm_area_struct *vma,
 
 	return ret;
 }
+int pudp_test_and_clear_young(struct vm_area_struct *vma,
+			      unsigned long addr, pud_t *pudp)
+{
+	int ret = 0;
+
+	if (pud_young(*pudp))
+		ret = test_and_clear_bit(_PAGE_BIT_ACCESSED,
+					 (unsigned long *)pudp);
+
+	return ret;
+}
 #endif
 
 int ptep_clear_flush_young(struct vm_area_struct *vma,
diff --git a/arch/xtensa/include/asm/Kbuild b/arch/xtensa/include/asm/Kbuild
index 9e9760b20be5..f41408c53fe1 100644
--- a/arch/xtensa/include/asm/Kbuild
+++ b/arch/xtensa/include/asm/Kbuild
@@ -31,3 +31,4 @@ generic-y += topology.h
 generic-y += trace_clock.h
 generic-y += word-at-a-time.h
 generic-y += xor.h
+generic-y += kprobes.h
diff --git a/arch/xtensa/kernel/pci-dma.c b/arch/xtensa/kernel/pci-dma.c
index 70e362e6038e..34c1f9fa6acc 100644
--- a/arch/xtensa/kernel/pci-dma.c
+++ b/arch/xtensa/kernel/pci-dma.c
@@ -158,7 +158,8 @@ static void *xtensa_dma_alloc(struct device *dev, size_t size,
 		flag |= GFP_DMA;
 
 	if (gfpflags_allow_blocking(flag))
-		page = dma_alloc_from_contiguous(dev, count, get_order(size));
+		page = dma_alloc_from_contiguous(dev, count, get_order(size),
+						 flag);
 
 	if (!page)
 		page = alloc_pages(flag, get_order(size));