*/
struct task_struct *find_task_by_pid_ns(pid_t nr, struct pid_namespace *ns)
{
- rcu_lockdep_assert(rcu_read_lock_held());
+ rcu_lockdep_assert(rcu_read_lock_held(),
+ "find_task_by_pid_ns() needs rcu_read_lock()"
+ " protection");
return pid_task(find_pid_ns(nr, ns), PIDTYPE_PID);
}