diff --git a/mm/memory.c b/mm/memory.c
index ef09f0ac..0047d3a 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1531,8 +1531,6 @@
 			if (vma->vm_ops->page_mkwrite(vma, old_page) < 0)
 				goto unwritable_page;
 
-			page_cache_release(old_page);
-
 			/*
 			 * Since we dropped the lock we need to revalidate
 			 * the PTE as someone else may have changed it.  If
@@ -1541,6 +1539,7 @@
 			 */
 			page_table = pte_offset_map_lock(mm, pmd, address,
 							 &ptl);
+			page_cache_release(old_page);
 			if (!pte_same(*page_table, orig_pte))
 				goto unlock;
 		}