1 files changed, 3 insertions, 0 deletions

diff --git a/ipc/shm.c b/ipc/shm.c
index 65c3a294aba5..07f4b7abc80a 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -38,6 +38,7 @@
 #include <linux/rwsem.h>
 #include <linux/nsproxy.h>
 #include <linux/mount.h>
+#include <linux/ipc_namespace.h>
 
 #include <asm/uaccess.h>
 
@@ -96,6 +97,7 @@ static void do_shm_rmid(struct ipc_namespace *ns, struct shmid_kernel *shp)
                 shm_destroy(ns, shp);
 }
 
+#ifdef CONFIG_IPC_NS
 int shm_init_ns(struct ipc_namespace *ns)
 {
         struct ipc_ids *ids;
@@ -133,6 +135,7 @@ void shm_exit_ns(struct ipc_namespace *ns)
         kfree(ns->ids[IPC_SHM_IDS]);
         ns->ids[IPC_SHM_IDS] = NULL;
 }
+#endif
 
 void __init shm_init (void)
 {