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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:30:48 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:31:07 -0800 |
| commit | 5ba7c91341be61e0942f792c237ac067d9f32f51 (patch) | |
| tree | f4c823f02eef1ab39749f9cec5e86da950ea546b /arch/x86/include/asm/pgtable.h | |
| parent | 7c683851d96c8313586c0695b25ca41bde9f0f73 (diff) | |
| download | lwn-5ba7c91341be61e0942f792c237ac067d9f32f51.tar.gz lwn-5ba7c91341be61e0942f792c237ac067d9f32f51.zip | |
x86: unify pud_present
Impact: cleanup
Unify and demacro pud_present.
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 | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 17fcc17d6b4f..c117b28df151 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -445,6 +445,13 @@ static inline int pte_present(pte_t a) return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); } +#if PAGETABLE_LEVELS > 2 +static inline int pud_present(pud_t pud) +{ + return pud_val(pud) & _PAGE_PRESENT; +} +#endif /* PAGETABLE_LEVELS > 2 */ + #endif /* __ASSEMBLY__ */ #ifdef CONFIG_X86_32 |