1 files changed, 3 insertions, 0 deletions

diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index 276f12431dbf..72cb26f85d58 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -28,6 +28,9 @@ static const struct proc_ns_operations *ns_entries[] = {
         &userns_operations,
 #endif
         &mntns_operations,
+#ifdef CONFIG_CGROUPS
+        &cgroupns_operations,
+#endif
 };
 
 static const char *proc_ns_get_link(struct dentry *dentry,