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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:31:04 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:31:49 -0800 |
| commit | 3180fba0eec0d14e4ac8183a90d643d0d3383c75 (patch) | |
| tree | 02a30fc6a0c96a826e2ad3fb9eb1378edd0c4656 /arch/x86/include/asm/pgtable.h | |
| parent | bd44d64db1db6acf2dea9ba130b8cb0a54e1dabd (diff) | |
x86: unify pmd_pfn
Impact: cleanup
Unify and demacro pmd_pfn.
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 | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index a7dbb05075d..532144c2f1c 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -510,6 +510,11 @@ static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address) { return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address); } + +static inline unsigned long pmd_pfn(pmd_t pmd) +{ + return (pmd_val(pmd) & PTE_PFN_MASK) >> PAGE_SHIFT; +} #endif /* PAGETABLE_LEVELS > 2 */ #if PAGETABLE_LEVELS > 3 |