From bb8985586b7a906e116db835c64773b7a7d51663 Mon Sep 17 00:00:00 2001 From: Al Viro Date: Sun, 17 Aug 2008 21:05:42 -0400 Subject: x86, um: ... and asm-x86 move Signed-off-by: Al Viro Signed-off-by: H. Peter Anvin --- arch/x86/include/asm/pgtable-3level-defs.h | 28 ++++++++++++++++++++++++++++ 1 file changed, 28 insertions(+) create mode 100644 arch/x86/include/asm/pgtable-3level-defs.h (limited to 'arch/x86/include/asm/pgtable-3level-defs.h') diff --git a/arch/x86/include/asm/pgtable-3level-defs.h b/arch/x86/include/asm/pgtable-3level-defs.h new file mode 100644 index 00000000000..c05fe6ff372 --- /dev/null +++ b/arch/x86/include/asm/pgtable-3level-defs.h @@ -0,0 +1,28 @@ +#ifndef ASM_X86__PGTABLE_3LEVEL_DEFS_H +#define ASM_X86__PGTABLE_3LEVEL_DEFS_H + +#ifdef CONFIG_PARAVIRT +#define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) +#else +#define SHARED_KERNEL_PMD 1 +#endif + +/* + * PGDIR_SHIFT determines what a top-level page table entry can map + */ +#define PGDIR_SHIFT 30 +#define PTRS_PER_PGD 4 + +/* + * PMD_SHIFT determines the size of the area a middle-level + * page table can map + */ +#define PMD_SHIFT 21 +#define PTRS_PER_PMD 512 + +/* + * entries per page directory level + */ +#define PTRS_PER_PTE 512 + +#endif /* ASM_X86__PGTABLE_3LEVEL_DEFS_H */ -- cgit v1.2.3