diff options
Diffstat (limited to 'arch/x86/include/asm/pgtable-2level_types.h')
-rw-r--r-- | arch/x86/include/asm/pgtable-2level_types.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable-2level_types.h b/arch/x86/include/asm/pgtable-2level_types.h new file mode 100644 index 00000000000..daacc23e3fb --- /dev/null +++ b/arch/x86/include/asm/pgtable-2level_types.h | |||
@@ -0,0 +1,37 @@ | |||
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 | #define PAGETABLE_LEVELS 2 | ||
21 | |||
22 | /* | ||
23 | * traditional i386 two-level paging structure: | ||
24 | */ | ||
25 | |||
26 | #define PGDIR_SHIFT 22 | ||
27 | #define PTRS_PER_PGD 1024 | ||
28 | |||
29 | |||
30 | /* | ||
31 | * the i386 is two-level, so we don't really have any | ||
32 | * PMD directory physically. | ||
33 | */ | ||
34 | |||
35 | #define PTRS_PER_PTE 1024 | ||
36 | |||
37 | #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */ | ||