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author | Felix Blyakher <felixb@sgi.com> | 2009-03-30 22:08:33 -0500 |
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committer | Felix Blyakher <felixb@sgi.com> | 2009-03-30 22:08:33 -0500 |
commit | 930861c4e6f13ce2e7d06cd1ef11441a065517d9 (patch) | |
tree | df6ff01f89768ff8d6fe6a64491be30e6e56c3e0 /arch/x86/include/asm/pgtable-2level_types.h | |
parent | 8b112171734c791afaf43ccc8c6ec492e7006e44 (diff) | |
parent | 15f7176eb1cccec0a332541285ee752b935c1c85 (diff) |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
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 000000000000..daacc23e3fb9 --- /dev/null +++ b/arch/x86/include/asm/pgtable-2level_types.h @@ -0,0 +1,37 @@ +#ifndef _ASM_X86_PGTABLE_2LEVEL_DEFS_H +#define _ASM_X86_PGTABLE_2LEVEL_DEFS_H + +#ifndef __ASSEMBLY__ +#include <linux/types.h> + +typedef unsigned long pteval_t; +typedef unsigned long pmdval_t; +typedef unsigned long pudval_t; +typedef unsigned long pgdval_t; +typedef unsigned long pgprotval_t; + +typedef union { + pteval_t pte; + pteval_t pte_low; +} pte_t; +#endif /* !__ASSEMBLY__ */ + +#define SHARED_KERNEL_PMD 0 +#define PAGETABLE_LEVELS 2 + +/* + * traditional i386 two-level paging structure: + */ + +#define PGDIR_SHIFT 22 +#define PTRS_PER_PGD 1024 + + +/* + * the i386 is two-level, so we don't really have any + * PMD directory physically. + */ + +#define PTRS_PER_PTE 1024 + +#endif /* _ASM_X86_PGTABLE_2LEVEL_DEFS_H */ |