1 files changed, 5 insertions, 1 deletions
diff --git a/mm/rmap.c b/mm/rmap.c
index dd43373..710bb4b 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -822,7 +822,11 @@ static int try_to_unmap_one(struct page *page, struct vm_area_struct *vma,
 			 * Store the swap location in the pte.
 			 * See handle_pte_fault() ...
 			 */
-			swap_duplicate(entry);
+			if (swap_duplicate(entry) < 0) {
+				set_pte_at(mm, address, pte, pteval);
+				ret = SWAP_FAIL;
+				goto out_unmap;
+			}
 			if (list_empty(&mm->mmlist)) {
 				spin_lock(&mmlist_lock);
 				if (list_empty(&mm->mmlist))