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| 1 | #ifndef _I386_PGTABLE_3LEVEL_DEFS_H |
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| 2 | #define _I386_PGTABLE_3LEVEL_DEFS_H |
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| 3 | |
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| 4 | #define HAVE_SHARED_KERNEL_PMD 0 |
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| 5 | |
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| 6 | /* |
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| 7 | * PGDIR_SHIFT determines what a top-level page table entry can map |
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| 8 | */ |
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| 9 | #define PGDIR_SHIFT 30 |
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| 10 | #define PTRS_PER_PGD 4 |
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| 11 | |
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| 12 | /* |
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| 13 | * PMD_SHIFT determines the size of the area a middle-level |
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| 14 | * page table can map |
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| 15 | */ |
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| 16 | #define PMD_SHIFT 21 |
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| 17 | #define PTRS_PER_PMD 512 |
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| 18 | |
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| 19 | /* |
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| 20 | * entries per page directory level |
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| 21 | */ |
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| 22 | #define PTRS_PER_PTE 512 |
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| 23 | |
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| 24 | #endif /* _I386_PGTABLE_3LEVEL_DEFS_H */ |
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