1 files changed, 10 insertions, 0 deletions

diff --git a/kernel/user.c b/kernel/user.c
index bc1c48d35cb3..7d7900c5a1fd 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -17,6 +17,14 @@
 #include <linux/module.h>
 #include <linux/user_namespace.h>
 
+struct user_namespace init_user_ns = {
+        .kref = {
+                .refcount       = ATOMIC_INIT(2),
+        },
+        .root_user = &root_user,
+};
+EXPORT_SYMBOL_GPL(init_user_ns);
+
 /*
  * UID task count cache, to get fast user lookup in "alloc_uid"
  * when changing user ID's (ie setuid() and friends).
@@ -427,6 +435,7 @@ void switch_uid(struct user_struct *new_user)
         suid_keys(current);
 }
 
+#ifdef CONFIG_USER_NS
 void release_uids(struct user_namespace *ns)
 {
         int i;
@@ -451,6 +460,7 @@ void release_uids(struct user_namespace *ns)
 
         free_uid(ns->root_user);
 }
+#endif
 
 static int __init uid_cache_init(void)
 {