x86: unify pgd_page
Impact: cleanup
Unify and demacro pgd_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 a871ae5..c1a36dd 100644
--- a/arch/x86/include/asm/pgtable.h
+++ b/arch/x86/include/asm/pgtable.h
@@ -495,6 +495,11 @@
{
return (unsigned long)__va((unsigned long)pgd_val(pgd) & PTE_PFN_MASK);
}
+
+static inline struct page *pgd_page(pgd_t pgd)
+{
+ return pfn_to_page(pgd_val(pgd) >> PAGE_SHIFT);
+}
#endif /* PAGETABLE_LEVELS > 3 */
#endif /* __ASSEMBLY__ */