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authorJeremy Fitzhardinge <jeremy@goop.org>2009-02-05 20:30:55 +0100
committerJeremy Fitzhardinge <jeremy@goop.org>2009-02-06 21:31:48 +0100
commitf476961cb16312fe4cb80b2b457ef9acf220a7fc (patch)
treee4280ddbb808145198b7a2754a447bd70a91fead /arch/x86/include/asm/pgtable.h
parentx86: include pgtable_SIZE.h earlier (diff)
downloadlinux-f476961cb16312fe4cb80b2b457ef9acf220a7fc.tar.xz
linux-f476961cb16312fe4cb80b2b457ef9acf220a7fc.zip
x86: unify pud_page
Impact: cleanup Unify and demacro pud_page. 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 bd38feb34921..a871ae55a5c5 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -438,6 +438,7 @@ static inline void __init paravirt_pagetable_setup_done(pgd_t *base)
#endif
#ifndef __ASSEMBLY__
+#include <linux/mm_types.h>
static inline int pte_none(pte_t pte)
{
@@ -477,6 +478,11 @@ static inline unsigned long pud_page_vaddr(pud_t pud)
{
return (unsigned long)__va((unsigned long)pud_val(pud) & PTE_PFN_MASK);
}
+
+static inline struct page *pud_page(pud_t pud)
+{
+ return pfn_to_page(pud_val(pud) >> PAGE_SHIFT);
+}
#endif /* PAGETABLE_LEVELS > 2 */
#if PAGETABLE_LEVELS > 3