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authorIngo Molnar <mingo@elte.hu>2009-03-26 21:39:17 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-27 17:28:43 +0100
commit6e15cf04860074ad032e88c306bea656bbdd0f22 (patch)
treec346383bb7563e8d66b2f4a502f875b259c34870 /arch/x86/include/asm/pgtable-2level_types.h
parentbe0ea69674ed95e1e98cb3687a241badc756d228 (diff)
parent60db56422043aaa455ac7f858ce23c273220f9d9 (diff)
Merge branch 'core/percpu' into percpu-cpumask-x86-for-linus-2
Conflicts: arch/parisc/kernel/irq.c arch/x86/include/asm/fixmap_64.h arch/x86/include/asm/setup.h kernel/irq/handle.c Semantic merge: arch/x86/include/asm/fixmap.h Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/pgtable-2level_types.h')
-rw-r--r--arch/x86/include/asm/pgtable-2level_types.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h
new file mode 100644
index 00000000000..daacc23e3fb
--- /dev/null
+++ b/arch/x86/include/asm/pgtable-2level_types.h
@@ -0,0 +1,37 @@
+#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
+#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+
+typedef unsigned long pteval_t;
+typedef unsigned long pmdval_t;
+typedef unsigned long pudval_t;
+typedef unsigned long pgdval_t;
+typedef unsigned long pgprotval_t;
+
+typedef union {
+ pteval_t pte;
+ pteval_t pte_low;
+} pte_t;
+#endif /* !__ASSEMBLY__ */
+
+#define SHARED_KERNEL_PMD 0
+#define PAGETABLE_LEVELS 2
+
+/*
+ * traditional i386 two-level paging structure:
+ */
+
+#define PGDIR_SHIFT 22
+#define PTRS_PER_PGD 1024
+
+
+/*
+ * the i386 is two-level, so we don't really have any
+ * PMD directory physically.
+ */
+
+#define PTRS_PER_PTE 1024
+
+#endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */