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x86: unify pgd_bad 

Impact: cleanup

Unify and demacro pgd_bad.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:31:10 -08:00
parent 30f103167f
commit a61bb29af4
3 changed files with 5 additions and 10 deletions
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5
arch/x86/include/asm/pgtable-3level.h
View File

@ -23,11 +23,6 @@ static inline int pud_none(pud_t pud)
return pud_val(pud) == 0;
}
static inline int pud_bad(pud_t pud)
{
return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
}
/* 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

5
arch/x86/include/asm/pgtable.h
View File

@ -546,6 +546,11 @@ static inline int pud_large(pud_t pud)
return (pud_val(pud) & (_PAGE_PSE | _PAGE_PRESENT)) ==
(_PAGE_PSE | _PAGE_PRESENT);
}
static inline int pud_bad(pud_t pud)
{
return (pud_val(pud) & ~(PTE_PFN_MASK | _KERNPG_TABLE | _PAGE_USER)) != 0;
}
#endif /* PAGETABLE_LEVELS > 2 */
#if PAGETABLE_LEVELS > 3

5
arch/x86/include/asm/pgtable_64.h
View File

@ -154,11 +154,6 @@ static inline void native_pgd_clear(pgd_t *pgd)
#ifndef __ASSEMBLY__
static inline int pud_bad(pud_t pud)
{
return (pud_val(pud) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
}
static inline int pmd_bad(pmd_t pmd)
{
return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;