1312 	struct futex_q *top_waiter = futex_top_waiter(hb, key);  in lookup_pi_state()  local
1318 	if (top_waiter)  in lookup_pi_state()
1319 		return attach_to_pi_state(uaddr, uval, top_waiter->pi_state, ps);  in lookup_pi_state()
1368 	struct futex_q *top_waiter;  in futex_lock_pi_atomic()  local
1394 	top_waiter = futex_top_waiter(hb, key);  in futex_lock_pi_atomic()
1395 	if (top_waiter)  in futex_lock_pi_atomic()
1396 		return attach_to_pi_state(uaddr, uval, top_waiter->pi_state, ps);  in futex_lock_pi_atomic()
1871 	struct futex_q *top_waiter = NULL;  in futex_proxy_trylock_atomic()  local
1889 	top_waiter = futex_top_waiter(hb1, key1);  in futex_proxy_trylock_atomic()
1892 	if (!top_waiter)  in futex_proxy_trylock_atomic()
1896 	if (!match_futex(top_waiter->requeue_pi_key, key2))  in futex_proxy_trylock_atomic()
1904 	vpid = task_pid_vnr(top_waiter->task);  in futex_proxy_trylock_atomic()
1905 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,  in futex_proxy_trylock_atomic()
1908 		requeue_pi_wake_futex(top_waiter, key2, hb2);  in futex_proxy_trylock_atomic()
2986 	struct futex_q *top_waiter;  in futex_unlock_pi()  local
3013 	top_waiter = futex_top_waiter(hb, &key);  in futex_unlock_pi()
3014 	if (top_waiter) {  in futex_unlock_pi()
3015 		struct futex_pi_state *pi_state = top_waiter->pi_state;  in futex_unlock_pi()