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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 22:31:10 +0300 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 23:31:50 +0300 |
| commit | a61bb29af47b0e4052566d25f3391894306a23fd (patch) | |
| tree | a1e2db3bbd1eda1e7616d20175d04050fc018156 /arch/x86/include/asm/pgtable.h | |
| parent | 30f103167fcf2b08de64f5f37ece6bfff7392290 (diff) | |
| download | linux-a61bb29af47b0e4052566d25f3391894306a23fd.tar.xz | |
x86: unify pgd_bad
Impact: cleanup
Unify and demacro pgd_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 ebcb60e6a961..38882f6cc827 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -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 |