x86: consolidate header guards
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / asm-x86 / pgtable-3level-defs.h
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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)
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6#else
7#define SHARED_KERNEL_PMD 1
8#endif
9
1da177e4
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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
77ef50a5 28#endif /* ASM_X86__PGTABLE_3LEVEL_DEFS_H */