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-rw-r--r--kernel/user.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/user.c b/kernel/user.c
index bc1c48d35cb..7d7900c5a1f 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)
{