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x86: unify pmd_page

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Impact: cleanup

Unify and demacro pmd_page.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:31:00 -08:00
parent 3ffb3564cd
commit 20063ca4eb
3 changed files with 5 additions and 4 deletions
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5
arch/x86/include/asm/pgtable.h
View File

@ -473,6 +473,11 @@ static inline unsigned long pmd_page_vaddr(pmd_t pmd)
return (unsigned long)__va(pmd_val(pmd) & PTE_PFN_MASK);
}
static inline struct page *pmd_page(pmd_t pmd)
{
return pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT);
}
#if PAGETABLE_LEVELS > 2
static inline int pud_present(pud_t pud)
{

2
arch/x86/include/asm/pgtable_32.h
View File

@ -124,8 +124,6 @@ static inline int pud_large(pud_t pud) { return 0; }
#define pte_offset_kernel(dir, address) \
((pte_t *)pmd_page_vaddr(*(dir)) + pte_index((address)))
#define pmd_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT))
#if defined(CONFIG_HIGHPTE)
#define pte_offset_map(dir, address) \
((pte_t *)kmap_atomic_pte(pmd_page(*(dir)), KM_PTE0) + \

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_page(pmd) (pfn_to_page(pmd_val((pmd)) >> PAGE_SHIFT))
#define pmd_index(address) (((address) >> PMD_SHIFT) & (PTRS_PER_PMD - 1))
#define pmd_offset(dir, address) ((pmd_t *)pud_page_vaddr(*(dir)) + \
pmd_index(address))