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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 20:31:02 +0100
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 21:31:49 +0100
commit01ade20d5a22e6ef002cbb751dddc3a01a78f998 (patch)
tree28fefbc83299d5924bc3d9fd6d3448e014417762 /arch/x86/include/asm/pgtable.h
parentx86: unify pmd_index (diff)
downloadlinux-01ade20d5a22e6ef002cbb751dddc3a01a78f998.tar.xz
linux-01ade20d5a22e6ef002cbb751dddc3a01a78f998.zip
x86: unify pmd_offset
Impact: cleanup Unify and demacro pmd_offset. 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.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index 4ec24b6d0994..a7dbb05075d2 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -504,6 +504,12 @@ static inline struct page *pud_page(pud_t pud)
{
return pfn_to_page(pud_val(pud) >> PAGE_SHIFT);
}
+
+/* Find an entry in the second-level page table.. */
+static inline pmd_t *pmd_offset(pud_t *pud, unsigned long address)
+{
+ return (pmd_t *)pud_page_vaddr(*pud) + pmd_index(address);
+}
#endif /* PAGETABLE_LEVELS > 2 */
#if PAGETABLE_LEVELS > 3