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x86: unify pmd_pfn

Browse source 
Impact: cleanup

Unify and demacro pmd_pfn.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:31:04 -08:00
parent bd44d64db1
commit 3180fba0ee
2 changed files with 5 additions and 2 deletions
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5
arch/x86/include/asm/pgtable.h
View file

@ -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

2
arch/x86/include/asm/pgtable_64.h
View file

@ -191,8 +191,6 @@ static inline int pud_large(pud_t pte)
}
/* PMD - Level 2 access */
#define pmd_pfn(x) ((pmd_val((x)) & __PHYSICAL_MASK) >> PAGE_SHIFT)
#define pte_to_pgoff(pte) ((pte_val((pte)) & PHYSICAL_PAGE_MASK) >> PAGE_SHIFT)
#define pgoff_to_pte(off) ((pte_t) { .pte = ((off) << PAGE_SHIFT) | \
_PAGE_FILE })