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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 22:31:05 +0300 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 23:31:50 +0300 |
| commit | 97e2817d3423d753fd2f80ea936a370032846382 (patch) | |
| tree | 1f33067bf362f5a39c50bb5b75bba951bfb49963 /arch/x86/include/asm/pgtable.h | |
| parent | 3180fba0eec0d14e4ac8183a90d643d0d3383c75 (diff) | |
| download | linux-97e2817d3423d753fd2f80ea936a370032846382.tar.xz | |
x86: unify pmd_pfn
Impact: cleanup
Unify pmd_pfn. Unfortunately it can't be demacroed because it has a
cyclic dependency on linux/mm.h:page_to_nid().
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 532144c2f1cc..49b5cff78c28 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -489,6 +489,15 @@ static inline unsigned pmd_index(unsigned long address) return (address >> PMD_SHIFT) & (PTRS_PER_PMD - 1); } +/* + * Conversion functions: convert a page and protection to a page entry, + * and a page entry and page directory to the page they refer to. + * + * (Currently stuck as a macro because of indirect forward reference + * to linux/mm.h:page_to_nid()) + */ +#define mk_pte(page, pgprot) pfn_pte(page_to_pfn(page), (pgprot)) + #if PAGETABLE_LEVELS > 2 static inline int pud_present(pud_t pud) { |