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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:31:14 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:31:51 -0800 |
| commit | 7325cc2e333cdaaabd2103552458876ea85adb33 (patch) | |
| tree | 1640e3993318aecac8213b5a0b0d662b9c004f6b /arch/x86/include/asm/pgtable.h | |
| parent | deb79cfb365c96ff960570d1bcf2c205424b6195 (diff) | |
| download | lwn-7325cc2e333cdaaabd2103552458876ea85adb33.tar.gz lwn-7325cc2e333cdaaabd2103552458876ea85adb33.zip | |
x86: unify pgd_none
Impact: cleanup
Unify and demacro pgd_none.
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 0ef49f3ebc88..18afcd31e76c 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -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__ */ |