diff --git a/ipc/shm.c b/ipc/shm.c
index b5bae9d945b62103ad8924ecf17dee8ee18a728c..02ecf2c078fce9b62ee2b1ec0ef252c0320acdf5 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -105,9 +105,16 @@ void shm_exit_ns(struct ipc_namespace *ns)
 }
 #endif
 
-void __init shm_init (void)
+static int __init ipc_ns_init(void)
 {
 	shm_init_ns(&init_ipc_ns);
+	return 0;
+}
+
+pure_initcall(ipc_ns_init);
+
+void __init shm_init (void)
+{
 	ipc_init_proc_interface("sysvipc/shm",
 #if BITS_PER_LONG <= 32
 				"       key      shmid perms       size  cpid  lpid nattch   uid   gid  cuid  cgid      atime      dtime      ctime        rss       swap\n",