diff --git a/[refs] b/[refs]
index 24f7663dbf91..f4221c0f4547 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 2b8576cb09a7b1b581c253554bf9e05d3adce7d6
+refs/heads/master: bc1b69ed22a704fb1cc83d75b2eb46508a06c820
diff --git a/trunk/ipc/mqueue.c b/trunk/ipc/mqueue.c
index 71a3ca18c873..023c9867ff43 100644
--- a/trunk/ipc/mqueue.c
+++ b/trunk/ipc/mqueue.c
@@ -1383,6 +1383,7 @@ static struct file_system_type mqueue_fs_type = {
 	.name = "mqueue",
 	.mount = mqueue_mount,
 	.kill_sb = kill_litter_super,
+	.fs_flags = FS_USERNS_MOUNT,
 };
 
 int mq_init_ns(struct ipc_namespace *ns)