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x86: unify pud_present

Browse Source 
Impact: cleanup

Unify and demacro pud_present.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:30:48 -08:00
parent 7c683851d9
commit 5ba7c91341
3 changed files with 7 additions and 6 deletions
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5
arch/x86/include/asm/pgtable-3level.h
View File

@ -28,11 +28,6 @@ static inline int pud_bad(pud_t pud)
return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
}
static inline int pud_present(pud_t pud)
{
return pud_val(pud) & _PAGE_PRESENT;
}
/* Rules for using set_pte: the pte being assigned *must* be
* either not present or in a state where the hardware will
* not attempt to update the pte. In places where this is

7
arch/x86/include/asm/pgtable.h
View File

@ -445,6 +445,13 @@ static inline int pte_present(pte_t a)
return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE);
}
#if PAGETABLE_LEVELS > 2
static inline int pud_present(pud_t pud)
{
return pud_val(pud) & _PAGE_PRESENT;
}
#endif /* PAGETABLE_LEVELS > 2 */
#endif /* __ASSEMBLY__ */
#ifdef CONFIG_X86_32

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

@ -194,7 +194,6 @@ static inline int pgd_large(pgd_t pgd) { return 0; }
#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)))
#define pud_present(pud) (pud_val((pud)) & _PAGE_PRESENT)
static inline int pud_large(pud_t pte)
{