| #ifndef _I386_PGTABLE_3LEVEL_DEFS_H |
| #define _I386_PGTABLE_3LEVEL_DEFS_H |
| |
| #ifdef CONFIG_PARAVIRT |
| #define SHARED_KERNEL_PMD (paravirt_ops.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 /* _I386_PGTABLE_3LEVEL_DEFS_H */ |
