x86: unify pud_page
Impact: cleanup
Unify and demacro pud_page.
Signed-off-by: Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>
diff --git a/arch/x86/include/asm/pgtable.h b/arch/x86/include/asm/pgtable.h
index bd38feb..a871ae5 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -438,6 +438,7 @@
#endif
#ifndef __ASSEMBLY__
+#include <linux/mm_types.h>
static inline int pte_none(pte_t pte)
{
@@ -477,6 +478,11 @@
{
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