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| author |   Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:31:13 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:31:51 -0800 |
| commit | deb79cfb365c96ff960570d1bcf2c205424b6195 (patch) | |
| tree | d18b2806eba47ae6d1bc6f5d3054210d7a4e5743 /arch/x86/include/asm/pgtable.h | |
| parent | x86: unify pages_to_mb (diff) | |
| download | linux-dev-deb79cfb365c96ff960570d1bcf2c205424b6195.tar.xz linux-dev-deb79cfb365c96ff960570d1bcf2c205424b6195.zip | |
x86: unify pud_none
Impact: cleanup
Unify and demacro pud_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 d4cbc8188c8a..0ef49f3ebc88 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -525,6 +525,11 @@ static inline unsigned long pages_to_mb(unsigned long npg) } #if PAGETABLE_LEVELS > 2 +static inline int pud_none(pud_t pud) +{ + return pud_val(pud) == 0; +} + static inline int pud_present(pud_t pud) { return pud_val(pud) & _PAGE_PRESENT; |