diff --git a/mm/swap.c b/mm/swap.c
index 21d15f9..b895128 100644
--- a/mm/swap.c
+++ b/mm/swap.c
@@ -39,7 +39,7 @@
 void put_page(struct page *page)
 {
 	if (unlikely(PageCompound(page))) {
-		page = (struct page *)page->private;
+		page = (struct page *)page_private(page);
 		if (put_page_testzero(page)) {
 			void (*dtor)(struct page *page);