kernel/futex/pi.c

523 	struct futex_q *top_waiter;
549 	top_waiter = futex_top_waiter(hb, key);
550 	if (top_waiter)
551 		return attach_to_pi_state(uaddr, uval, top_waiter->pi_state, ps);
616 			 struct rt_mutex_waiter *top_waiter)
624 	new_owner = top_waiter->task;
1117 	struct futex_q *top_waiter;
1145 	top_waiter = futex_top_waiter(hb, &key);
1146 	if (top_waiter) {
1147 		struct futex_pi_state *pi_state = top_waiter->pi_state;
1189 			__futex_unqueue(top_waiter);