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x86: unify pmd_offset 

Impact: cleanup

Unify and demacro pmd_offset.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:31:02 -08:00
parent e24d7eee0b
commit 01ade20d5a
3 changed files with 6 additions and 6 deletions
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4
arch/x86/include/asm/pgtable-3level.h
View File

@ -115,10 +115,6 @@ static inline void pud_clear(pud_t *pudp)
write_cr3(pgd);
}
/* Find an entry in the second-level page table.. */
#define pmd_offset(pud, address) ((pmd_t *)pud_page_vaddr(*(pud)) + \
pmd_index(address))
#ifdef CONFIG_SMP
static inline pte_t native_ptep_get_and_clear(pte_t *ptep)
{

6
arch/x86/include/asm/pgtable.h
View File

@ -504,6 +504,12 @@ static inline struct page *pud_page(pud_t pud)
{
return pfn_to_page(pud_val(pud) >> PAGE_SHIFT);
}
/* Find an entry in the second-level page table.. */
static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
{
return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address);
}
#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_offset(dir, address) ((pmd_t *)pud_page_vaddr(*(dir)) + \
pmd_index(address))
#define pfn_pmd(nr, prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val((prot))))
#define pmd_pfn(x) ((pmd_val((x)) & __PHYSICAL_MASK) >> PAGE_SHIFT)