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author | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-02-11 23:08:01 +0300 |
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committer | Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com> | 2009-02-12 01:54:09 +0300 |
commit | b924a28138572f03bc8647c2be8f876d27e2666a (patch) | |
tree | 105248ec991ba5311e1c0a449a14720ab968abde /arch/x86/include/asm/pgtable-3level_types.h | |
parent | 9049a11de73d3ecc623f1903100d099f82ede56c (diff) | |
download | linux-b924a28138572f03bc8647c2be8f876d27e2666a.tar.xz |
x86: rename *-defs.h to *-_types.h for consistency
The kernel tends to call definition-only headers *_types.h, so rename
the x86 page/pgtable headers accordingly.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable-3level_types.h')
-rw-r--r-- | arch/x86/include/asm/pgtable-3level_types.h | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable-3level_types.h b/arch/x86/include/asm/pgtable-3level_types.h new file mode 100644 index 000000000000..62561367653c --- /dev/null +++ b/arch/x86/include/asm/pgtable-3level_types.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 */ |