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| author |   Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:31:11 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:31:50 -0800 |
| commit | 99510238bb428091e7caba020bc5e18b5f30b619 (patch) | |
| tree | 6b6080beb83ad75d63b378e1ea7050a015269e50 /arch/x86/include/asm/pgtable.h | |
| parent | x86: unify pgd_bad (diff) | |
| download | linux-dev-99510238bb428091e7caba020bc5e18b5f30b619.tar.xz linux-dev-99510238bb428091e7caba020bc5e18b5f30b619.zip | |
x86: unify pmd_bad
Impact: cleanup
Unify and demacro pmd_bad.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/include/asm/pgtable.h')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 38882f6cc827..72bf53ef60bf 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -514,6 +514,11 @@ static inline pte_t *pte_offset_kernel(pmd_t *pmd, unsigned long address) return (pte_t *)pmd_page_vaddr(*pmd) + pte_index(address); } +static inline int pmd_bad(pmd_t pmd) +{ + return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; +} + #if PAGETABLE_LEVELS > 2 static inline int pud_present(pud_t pud) { |