diff --git a/mm/rmap.c b/mm/rmap.c
index 0334c8f..57ad276 100644
--- a/mm/rmap.c
+++ b/mm/rmap.c
@@ -283,7 +283,10 @@
 	if (!pte)
 		goto out;
 
-	if (ptep_clear_flush_young(vma, address, pte))
+	if (vma->vm_flags & VM_LOCKED) {
+		referenced++;
+		*mapcount = 1;	/* break early from loop */
+	} else if (ptep_clear_flush_young(vma, address, pte))
 		referenced++;
 
 	/* Pretend the page is referenced if the task has the