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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 11:31:12 -0800
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 12:31:51 -0800
commitcc290ca38cc4c78b0d6175633232f05b8d8732ab (patch)
tree4adcd8b37d41be0206140e7302d5035474b7f586 /arch/x86/include/asm/pgtable.h
parent99510238bb428091e7caba020bc5e18b5f30b619 (diff)
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.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 72bf53ef60b..d4cbc8188c8 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)
{