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x86: unify pud_page

Browse Source 
Impact: cleanup

Unify and demacro pud_page.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:30:55 -08:00
parent aca159dbb1
commit f476961cb1
3 changed files with 6 additions and 3 deletions
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2
arch/x86/include/asm/pgtable-3level.h
View File

@ -115,8 +115,6 @@ static inline void pud_clear(pud_t *pudp)
write_cr3(pgd);
}
#define pud_page(pud) pfn_to_page(pud_val(pud) >> PAGE_SHIFT)
/* Find an entry in the second-level page table.. */
#define pmd_offset(pud, address) ((pmd_t *)pud_page_vaddr(*(pud)) + \
pmd_index(address))

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

@ -438,6 +438,7 @@ static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
#endif
#ifndef __ASSEMBLY__
#include <linux/mm_types.h>
static inline int pte_none(pte_t pte)
{
@ -477,6 +478,11 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
{
return (unsigned long)__va((unsigned long)pud_val(pud) & PTE_PFN_MASK);
}
static inline struct page *pud_page(pud_t pud)
{
return pfn_to_page(pud_val(pud) >> PAGE_SHIFT);
}
#endif /* PAGETABLE_LEVELS > 2 */
#if PAGETABLE_LEVELS > 3

1
arch/x86/include/asm/pgtable_64.h
View File

@ -185,7 +185,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
/* PUD - Level3 access */
/* to find an entry in a page-table-directory. */
#define pud_page(pud) (pfn_to_page(pud_val((pud)) >> PAGE_SHIFT))
#define pud_index(address) (((address) >> PUD_SHIFT) & (PTRS_PER_PUD - 1))
#define pud_offset(pgd, address) \
((pud_t *)pgd_page_vaddr(*(pgd)) + pud_index((address)))