diff options
Diffstat (limited to 'arch/x86/include/asm/pgtable-3level-defs.h')
-rw-r--r-- | arch/x86/include/asm/pgtable-3level-defs.h | 28 |
1 files changed, 28 insertions, 0 deletions
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..62561367653 --- /dev/null +++ b/arch/x86/include/asm/pgtable-3level-defs.h | |||
@@ -0,0 +1,28 @@ | |||
1 | #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H | ||
2 | #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H | ||
3 | |||
4 | #ifdef CONFIG_PARAVIRT | ||
5 | #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) | ||
6 | #else | ||
7 | #define SHARED_KERNEL_PMD 1 | ||
8 | #endif | ||
9 | |||
10 | /* | ||
11 | * PGDIR_SHIFT determines what a top-level page table entry can map | ||
12 | */ | ||
13 | #define PGDIR_SHIFT 30 | ||
14 | #define PTRS_PER_PGD 4 | ||
15 | |||
16 | /* | ||
17 | * PMD_SHIFT determines the size of the area a middle-level | ||
18 | * page table can map | ||
19 | */ | ||
20 | #define PMD_SHIFT 21 | ||
21 | #define PTRS_PER_PMD 512 | ||
22 | |||
23 | /* | ||
24 | * entries per page directory level | ||
25 | */ | ||
26 | #define PTRS_PER_PTE 512 | ||
27 | |||
28 | #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */ | ||