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x86: unify pgd_none

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Impact: cleanup

Unify and demacro pgd_none.

Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
This commit is contained in:
Jeremy Fitzhardinge 2009-02-05 11:31:14 -08:00
parent deb79cfb36
commit 7325cc2e33
2 changed files with 5 additions and 2 deletions
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5
arch/x86/include/asm/pgtable.h
View File

@ -599,6 +599,11 @@ static inline int pgd_bad(pgd_t pgd)
{
return (pgd_val(pgd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE;
}
static inline int pgd_none(pgd_t pgd)
{
return !pgd_val(pgd);
}
#endif /* PAGETABLE_LEVELS > 3 */
#endif /* __ASSEMBLY__ */

2
arch/x86/include/asm/pgtable_64.h
View File

@ -67,8 +67,6 @@ extern void paging_init(void);
printk("%s:%d: bad pgd %p(%016lx).\n", \
__FILE__, __LINE__, &(e), pgd_val(e))
#define pgd_none(x) (!pgd_val(x))
struct mm_struct;
void set_pte_vaddr_pud(pud_t *pud_page, unsigned long vaddr, pte_t new_pte);