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authorSteven Rostedt <srostedt@redhat.com>2010-05-17 22:26:53 -0400
committerSteven Rostedt <rostedt@goodmis.org>2010-05-18 00:35:23 -0400
commitf0218b3e9974f06014b61be8987159f4a20e011e (patch)
tree29a593c4d71ab18cb0c450a34e79bf6bea66877e /arch/x86/mm
parent1eaa4787a774c4896518c81f24e8bccaa2244924 (diff)
parent9d192e118a094087494997ea1c8a2faf39af38c5 (diff)
Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-6
Conflicts: include/trace/ftrace.h kernel/trace/trace_kprobe.c Acked-by: Masami Hiramatsu <mhiramat@redhat.com> Acked-by: Frederic Weisbecker <fweisbec@gmail.com> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'arch/x86/mm')
-rw-r--r--arch/x86/mm/ioremap.c14
-rw-r--r--arch/x86/mm/pgtable_32.c2
2 files changed, 16 insertions, 0 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 5eb1ba74a3a..12e4d2d3c11 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -448,6 +448,20 @@ static inline void __init early_clear_fixmap(enum fixed_addresses idx)
static void __iomem *prev_map[FIX_BTMAPS_SLOTS] __initdata;
static unsigned long prev_size[FIX_BTMAPS_SLOTS] __initdata;
+void __init fixup_early_ioremap(void)
+{
+ int i;
+
+ for (i = 0; i < FIX_BTMAPS_SLOTS; i++) {
+ if (prev_map[i]) {
+ WARN_ON(1);
+ break;
+ }
+ }
+
+ early_ioremap_init();
+}
+
static int __init check_early_ioremap_leak(void)
{
int count = 0;
diff --git a/arch/x86/mm/pgtable_32.c b/arch/x86/mm/pgtable_32.c
index 1a8faf09afe..792854003ed 100644
--- a/arch/x86/mm/pgtable_32.c
+++ b/arch/x86/mm/pgtable_32.c
@@ -18,6 +18,7 @@
#include <asm/e820.h>
#include <asm/tlb.h>
#include <asm/tlbflush.h>
+#include <asm/io.h>
unsigned int __VMALLOC_RESERVE = 128 << 20;
@@ -128,6 +129,7 @@ static int __init parse_reservetop(char *arg)
address = memparse(arg, &arg);
reserve_top_address(address);
+ fixup_early_ioremap();
return 0;
}
early_param("reservetop", parse_reservetop);