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1965aae3 PA |
1 | #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H |
2 | #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H | |
1da177e4 | 3 | |
5311ab62 | 4 | #ifdef CONFIG_PARAVIRT |
93b1eab3 | 5 | #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) |
5311ab62 JF |
6 | #else |
7 | #define SHARED_KERNEL_PMD 1 | |
8 | #endif | |
9 | ||
1da177e4 LT |
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 | ||
1965aae3 | 28 | #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */ |