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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:30:45 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:28:37 -0800 |
| commit | 7c683851d96c8313586c0695b25ca41bde9f0f73 (patch) | |
| tree | 3de069c8293238ab5a6e3b2c60068b2ae807bace /arch/x86/include | |
| parent | 8de01da35e9dbbb4a9d1e9d5a37df98395dfa558 (diff) | |
| download | linux-0-day-7c683851d96c8313586c0695b25ca41bde9f0f73.tar.gz linux-0-day-7c683851d96c8313586c0695b25ca41bde9f0f73.tar.xz | |
x86: unify pte_present
Impact: cleanup
Unify and demacro pte_present.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86/include')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 5 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_32.h | 2 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_64.h | 2 |
3 files changed, 5 insertions, 4 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index e929d43753c5b..17fcc17d6b4f2 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -440,6 +440,11 @@ static inline int pte_same(pte_t a, pte_t b) return a.pte == b.pte; } +static inline int pte_present(pte_t a) +{ + return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); +} + #endif /* __ASSEMBLY__ */ #ifdef CONFIG_X86_32 diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 72b020deb46b9..188073713fed8 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -85,8 +85,6 @@ extern void set_pmd_pfn(unsigned long, unsigned long, pgprot_t); /* The boot page tables (all created as a single array) */ extern unsigned long pg0[]; -#define pte_present(x) ((x).pte_low & (_PAGE_PRESENT | _PAGE_PROTNONE)) - /* To avoid harmful races, pmd_none(x) should check only the lower when PAE */ #define pmd_none(x) (!(unsigned long)pmd_val((x))) #define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT) diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index ff2571865bf71..35b8dbc068e0e 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -169,8 +169,6 @@ static inline int pmd_bad(pmd_t pmd) return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; } -#define pte_present(x) (pte_val((x)) & (_PAGE_PRESENT | _PAGE_PROTNONE)) - #define pages_to_mb(x) ((x) >> (20 - PAGE_SHIFT)) /* FIXME: is this right? */ /* |