| #ifndef _ASM_X86_PGTABLE_64_DEFS_H |
| #define _ASM_X86_PGTABLE_64_DEFS_H |
| |
| #define SHARED_KERNEL_PMD 0 |
| |
| /* |
| * PGDIR_SHIFT determines what a top-level page table entry can map |
| */ |
| #define PGDIR_SHIFT 39 |
| #define PTRS_PER_PGD 512 |
| |
| /* |
| * 3rd level page |
| */ |
| #define PUD_SHIFT 30 |
| #define PTRS_PER_PUD 512 |
| |
| /* |
| * 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 |
| |
| #define PMD_SIZE (_AC(1, UL) << PMD_SHIFT) |
| #define PMD_MASK (~(PMD_SIZE - 1)) |
| #define PUD_SIZE (_AC(1, UL) << PUD_SHIFT) |
| #define PUD_MASK (~(PUD_SIZE - 1)) |
| #define PGDIR_SIZE (_AC(1, UL) << PGDIR_SHIFT) |
| #define PGDIR_MASK (~(PGDIR_SIZE - 1)) |
| |
| |
| #define MAXMEM _AC(__AC(1, UL) << MAX_PHYSMEM_BITS, UL) |
| #define VMALLOC_START _AC(0xffffc20000000000, UL) |
| #define VMALLOC_END _AC(0xffffe1ffffffffff, UL) |
| #define VMEMMAP_START _AC(0xffffe20000000000, UL) |
| #define MODULES_VADDR _AC(0xffffffffa0000000, UL) |
| #define MODULES_END _AC(0xffffffffff000000, UL) |
| #define MODULES_LEN (MODULES_END - MODULES_VADDR) |
| |
| #endif /* _ASM_X86_PGTABLE_64_DEFS_H */ |