diff --git a/fs/mount.h b/fs/mount.h
index 85f136786bbc..2223fb141499 100644
--- a/fs/mount.h
+++ b/fs/mount.h
@@ -234,6 +234,9 @@ static inline struct mnt_namespace *to_mnt_ns(struct ns_common *ns)
 #ifdef CONFIG_FSNOTIFY
 static inline void mnt_notify_add(struct mount *m)
 {
+	/* queued already under this namespace_sem hold */
+	if (!list_empty(&m->to_notify))
+		return;
 	/* Optimize the case where there are no watches */
 	if ((m->mnt_ns && m->mnt_ns->n_fsnotify_marks) ||
 	    (m->prev_ns && m->prev_ns->n_fsnotify_marks))
diff --git a/fs/namespace.c b/fs/namespace.c
index 5b44eee28f39..2a1e77c0cb6e 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -333,6 +333,9 @@ static struct mount *alloc_vfsmnt(const char *name)
 		INIT_HLIST_NODE(&mnt->mnt_mp_list);
 		INIT_HLIST_HEAD(&mnt->mnt_stuck_children);
 		INIT_HLIST_NODE(&mnt->mnt_ns_visible);
+#ifdef CONFIG_FSNOTIFY
+		INIT_LIST_HEAD(&mnt->to_notify);
+#endif
 		RB_CLEAR_NODE(&mnt->mnt_node);
 		mnt->mnt.mnt_idmap = &nop_mnt_idmap;
 	}