diff --git a/kernel/user.c b/kernel/user.c
index 5235d7f49982..b1635d94a1f2 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -82,7 +82,7 @@ EXPORT_SYMBOL_GPL(init_user_ns);
 #define uidhashentry(uid)	(uidhash_table + __uidhashfn((__kuid_val(uid))))
 
 static struct kmem_cache *uid_cachep;
-struct hlist_head uidhash_table[UIDHASH_SZ];
+static struct hlist_head uidhash_table[UIDHASH_SZ];
 
 /*
  * The uidhash_lock is mostly taken from process context, but it is