diff --git a/mm/memory.c b/mm/memory.c
index 4ce24a4d5d481abce591576b218b901dde134c83..01bdf9dbbfac774380b2d25336c52b5822359b08 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -2108,6 +2108,7 @@ static inline void cow_user_page(struct page *dst, struct page *src, unsigned lo
 static int do_wp_page(struct mm_struct *mm, struct vm_area_struct *vma,
 		unsigned long address, pte_t *page_table, pmd_t *pmd,
 		spinlock_t *ptl, pte_t orig_pte)
+	__releases(ptl)
 {
 	struct page *old_page, *new_page;
 	pte_t entry;