88 	struct task_struct *tsk, struct user_namespace *user_ns,  in create_new_namespaces()
170 	struct user_namespace *user_ns = task_cred_xxx(tsk, user_ns);  in copy_namespaces()  local
214 	struct user_namespace *user_ns;  in unshare_nsproxy_namespaces()  local
396 	struct user_namespace *user_ns = NULL;  in validate_nsset()  local