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[mirror_ubuntu-zesty-kernel.git] / arch / x86 / include / asm / pgtable-2level_types.h
1 #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H
2 #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H
3
4 #ifndef __ASSEMBLY__
5 #include <linux/types.h>
6
7 typedef unsigned long pteval_t;
8 typedef unsigned long pmdval_t;
9 typedef unsigned long pudval_t;
10 typedef unsigned long pgdval_t;
11 typedef unsigned long pgprotval_t;
12
13 typedef union {
14 pteval_t pte;
15 pteval_t pte_low;
16 } pte_t;
17 #endif /* !__ASSEMBLY__ */
18
19 #define SHARED_KERNEL_PMD 0
20
21 /*
22 * traditional i386 two-level paging structure:
23 */
24
25 #define PGDIR_SHIFT 22
26 #define PTRS_PER_PGD 1024
27
28
29 /*
30 * the i386 is two-level, so we don't really have any
31 * PMD directory physically.
32 */
33
34 #define PTRS_PER_PTE 1024
35
36 #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */