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5270 | serge | 1 | #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H |
2 | #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H |
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3 | |||
4 | #ifndef __ASSEMBLY__ |
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5 | #include |
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6 | |||
7 | typedef unsigned long pteval_t; |
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8 | typedef unsigned long pmdval_t; |
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9 | typedef unsigned long pudval_t; |
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10 | typedef unsigned long pgdval_t; |
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11 | typedef unsigned long pgprotval_t; |
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12 | |||
13 | typedef union { |
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14 | pteval_t pte; |
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15 | pteval_t pte_low; |
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16 | } pte_t; |
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17 | #endif /* !__ASSEMBLY__ */ |
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18 | |||
19 | #define SHARED_KERNEL_PMD 0 |
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20 | #define PAGETABLE_LEVELS 2 |
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21 | |||
22 | /* |
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23 | * traditional i386 two-level paging structure: |
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24 | */ |
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25 | |||
26 | #define PGDIR_SHIFT 22 |
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27 | #define PTRS_PER_PGD 1024 |
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28 | |||
29 | |||
30 | /* |
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31 | * the i386 is two-level, so we don't really have any |
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32 | * PMD directory physically. |
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33 | */ |
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34 | |||
35 | #define PTRS_PER_PTE 1024 |
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36 | |||
37 | #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */ |