1b924a281SJeremy Fitzhardinge #ifndef _ASM_X86_PGTABLE_3LEVEL_DEFS_H 2b924a281SJeremy Fitzhardinge #define _ASM_X86_PGTABLE_3LEVEL_DEFS_H 3b924a281SJeremy Fitzhardinge 4b924a281SJeremy Fitzhardinge #ifdef CONFIG_PARAVIRT 5b924a281SJeremy Fitzhardinge #define SHARED_KERNEL_PMD (pv_info.shared_kernel_pmd) 6b924a281SJeremy Fitzhardinge #else 7b924a281SJeremy Fitzhardinge #define SHARED_KERNEL_PMD 1 8b924a281SJeremy Fitzhardinge #endif 9b924a281SJeremy Fitzhardinge 10b924a281SJeremy Fitzhardinge /* 11b924a281SJeremy Fitzhardinge * PGDIR_SHIFT determines what a top-level page table entry can map 12b924a281SJeremy Fitzhardinge */ 13b924a281SJeremy Fitzhardinge #define PGDIR_SHIFT 30 14b924a281SJeremy Fitzhardinge #define PTRS_PER_PGD 4 15b924a281SJeremy Fitzhardinge 16b924a281SJeremy Fitzhardinge /* 17b924a281SJeremy Fitzhardinge * PMD_SHIFT determines the size of the area a middle-level 18b924a281SJeremy Fitzhardinge * page table can map 19b924a281SJeremy Fitzhardinge */ 20b924a281SJeremy Fitzhardinge #define PMD_SHIFT 21 21b924a281SJeremy Fitzhardinge #define PTRS_PER_PMD 512 22b924a281SJeremy Fitzhardinge 23b924a281SJeremy Fitzhardinge /* 24b924a281SJeremy Fitzhardinge * entries per page directory level 25b924a281SJeremy Fitzhardinge */ 26b924a281SJeremy Fitzhardinge #define PTRS_PER_PTE 512 27b924a281SJeremy Fitzhardinge 28b924a281SJeremy Fitzhardinge #endif /* _ASM_X86_PGTABLE_3LEVEL_DEFS_H */ 29