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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:30:50 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:31:47 -0800 |
| commit | 649e8ef60fac0a2f6960cdb090d73e78717ac065 (patch) | |
| tree | 011b0ccd37851a13add701d87cfb74074e8df1b0 /arch/x86 | |
| parent | 9f38d7e85e914f10a875f65d283432d55a12fc27 (diff) | |
| download | linux-649e8ef60fac0a2f6960cdb090d73e78717ac065.tar.gz linux-649e8ef60fac0a2f6960cdb090d73e78717ac065.tar.bz2 linux-649e8ef60fac0a2f6960cdb090d73e78717ac065.zip | |
x86: unify pmd_present
Impact: cleanup
Unify and demacro pmd_present.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/include/asm/pgtable.h | 5 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_32.h | 1 | ||||
| -rw-r--r-- | arch/x86/include/asm/pgtable_64.h | 1 |
3 files changed, 5 insertions, 2 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h index 339e49a9bb6c..147d3f097ab0 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -445,6 +445,11 @@ static inline int pte_present(pte_t a) return pte_flags(a) & (_PAGE_PRESENT | _PAGE_PROTNONE); } +static inline int pmd_present(pmd_t pmd) +{ + return pmd_val(pmd) & _PAGE_PRESENT; +} + #if PAGETABLE_LEVELS > 2 static inline int pud_present(pud_t pud) { diff --git a/arch/x86/include/asm/pgtable_32.h b/arch/x86/include/asm/pgtable_32.h index 188073713fed..f35160730b65 100644 --- a/arch/x86/include/asm/pgtable_32.h +++ b/arch/x86/include/asm/pgtable_32.h @@ -87,7 +87,6 @@ extern unsigned long pg0[]; /* 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) #define pmd_bad(x) ((pmd_val(x) & (PTE_FLAGS_MASK & ~_PAGE_USER)) != _KERNPG_TABLE) #define pages_to_mb(x) ((x) >> (20-PAGE_SHIFT)) diff --git a/arch/x86/include/asm/pgtable_64.h b/arch/x86/include/asm/pgtable_64.h index 447634698f5d..471b3058f3d7 100644 --- a/arch/x86/include/asm/pgtable_64.h +++ b/arch/x86/include/asm/pgtable_64.h @@ -208,7 +208,6 @@ static inline int pud_large(pud_t pte) #define pmd_offset(dir, address) ((pmd_t *)pud_page_vaddr(*(dir)) + \ pmd_index(address)) #define pmd_none(x) (!pmd_val((x))) -#define pmd_present(x) (pmd_val((x)) & _PAGE_PRESENT) #define pfn_pmd(nr, prot) (__pmd(((nr) << PAGE_SHIFT) | pgprot_val((prot)))) #define pmd_pfn(x) ((pmd_val((x)) & __PHYSICAL_MASK) >> PAGE_SHIFT) |