H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 1 | #ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H |
| 2 | #define _ASM_X86_PGTABLE_2LEVEL_DEFS_H |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | |
Jeremy Fitzhardinge | 54321d9 | 2009-02-11 10:20:05 -0800 | [diff] [blame] | 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 | |
Jeremy Fitzhardinge | 5311ab6 | 2007-05-02 19:27:13 +0200 | [diff] [blame] | 19 | #define SHARED_KERNEL_PMD 0 |
| 20 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 21 | /* |
| 22 | * traditional i386 two-level paging structure: |
| 23 | */ |
| 24 | |
| 25 | #define PGDIR_SHIFT 22 |
| 26 | #define PTRS_PER_PGD 1024 |
| 27 | |
Jeremy Fitzhardinge | 9b3651c | 2009-02-13 11:01:54 -0800 | [diff] [blame] | 28 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | |
H. Peter Anvin | 1965aae | 2008-10-22 22:26:29 -0700 | [diff] [blame] | 36 | #endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */ |