1 files changed, 5 insertions, 2 deletions

diff --git a/include/linux/mm.h b/include/linux/mm.h
index e2fa375e478e..697c6bf248c2 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -465,10 +465,13 @@ static inline unsigned long page_zonenum(struct page *page)
 struct zone;
 extern struct zone *zone_table[];
 
+static inline int page_zone_id(struct page *page)
+{
+        return (page->flags >> ZONETABLE_PGSHIFT) & ZONETABLE_MASK;
+}
 static inline struct zone *page_zone(struct page *page)
 {
-        return zone_table[(page->flags >> ZONETABLE_PGSHIFT) &
-                        ZONETABLE_MASK];
+        return zone_table[page_zone_id(page)];
 }
 
 static inline unsigned long page_to_nid(struct page *page)