Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland...
[linux-2.6] / arch / x86 / include / asm / pgtable-3level-defs.h
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 */