diff --git a/include/xen/page.h b/include/xen/page.h
index 12765b6f9517ee6169d73ba667fb86d4ce57a016..c5ed20bb3fe96d5f309c5299a55a7ba3b7a140bd 100644
--- a/include/xen/page.h
+++ b/include/xen/page.h
@@ -3,6 +3,11 @@
 
 #include <asm/xen/page.h>
 
+static inline unsigned long page_to_mfn(struct page *page)
+{
+	return pfn_to_mfn(page_to_pfn(page));
+}
+
 struct xen_memory_region {
 	phys_addr_t start;
 	phys_addr_t size;