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| author | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-05 11:31:12 -0800 |
|---|---|---|
| committer | Jeremy Fitzhardinge <jeremy@goop.org> | 2009-02-06 12:31:51 -0800 |
| commit | cc290ca38cc4c78b0d6175633232f05b8d8732ab (patch) | |
| tree | 4adcd8b37d41be0206140e7302d5035474b7f586 /arch/x86/include/asm/pgtable.h | |
| parent | 99510238bb428091e7caba020bc5e18b5f30b619 (diff) | |
| download | lwn-cc290ca38cc4c78b0d6175633232f05b8d8732ab.tar.gz lwn-cc290ca38cc4c78b0d6175633232f05b8d8732ab.zip | |
x86: unify pages_to_mb
Impact: cleanup
Unify and demacro pages_to_mb.
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 72bf53ef60bf..d4cbc8188c8a 100644 --- a/arch/x86/include/asm/pgtable.h +++ b/arch/x86/include/asm/pgtable.h @@ -519,6 +519,11 @@ static inline int pmd_bad(pmd_t pmd) return (pmd_val(pmd) & ~(PTE_PFN_MASK | _PAGE_USER)) != _KERNPG_TABLE; } +static inline unsigned long pages_to_mb(unsigned long npg) +{ + return npg >> (20 - PAGE_SHIFT); +} + #if PAGETABLE_LEVELS > 2 static inline int pud_present(pud_t pud) { |