--- a/fs/notify/dnotify/dnotify.c
+++ b/fs/notify/dnotify/dnotify.c
@@ -138,9 +138,21 @@ static void dnotify_free_mark(struct fsn
 	kmem_cache_free(dnotify_mark_cache, dn_mark);
 }
 
+static void dnotify_freeing_mark(struct fsnotify_mark *fsn_mark, struct fsnotify_group *group)
+{
+	struct dnotify_mark *dn_mark = container_of(fsn_mark,
+						    struct dnotify_mark,
+						    fsn_mark);
+	if (dn_mark->dn) {
+		kmem_cache_free(dnotify_struct_cache, dn_mark->dn);
+		dn_mark->dn = NULL;
+	}
+}
+
 static const struct fsnotify_ops dnotify_fsnotify_ops = {
 	.handle_inode_event = dnotify_handle_event,
 	.free_mark = dnotify_free_mark,
+	.freeing_mark = dnotify_freeing_mark,
 };
 
 /*