1234 	struct futex_q *top_waiter = futex_top_waiter(hb, key);  in lookup_pi_state()  local
1240 	if (top_waiter)  in lookup_pi_state()
1241 		return attach_to_pi_state(uaddr, uval, top_waiter->pi_state, ps);  in lookup_pi_state()
1288 	struct futex_q *top_waiter;  in futex_lock_pi_atomic()  local
1314 	top_waiter = futex_top_waiter(hb, key);  in futex_lock_pi_atomic()
1315 	if (top_waiter)  in futex_lock_pi_atomic()
1316 		return attach_to_pi_state(uaddr, uval, top_waiter->pi_state, ps);  in futex_lock_pi_atomic()
1791 	struct futex_q *top_waiter = NULL;  in futex_proxy_trylock_atomic()  local
1809 	top_waiter = futex_top_waiter(hb1, key1);  in futex_proxy_trylock_atomic()
1812 	if (!top_waiter)  in futex_proxy_trylock_atomic()
1816 	if (!match_futex(top_waiter->requeue_pi_key, key2))  in futex_proxy_trylock_atomic()
1824 	vpid = task_pid_vnr(top_waiter->task);  in futex_proxy_trylock_atomic()
1825 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,  in futex_proxy_trylock_atomic()
1828 		requeue_pi_wake_futex(top_waiter, key2, hb2);  in futex_proxy_trylock_atomic()
2900 	struct futex_q *top_waiter;  in futex_unlock_pi()  local
2927 	top_waiter = futex_top_waiter(hb, &key);  in futex_unlock_pi()
2928 	if (top_waiter) {  in futex_unlock_pi()
2929 		struct futex_pi_state *pi_state = top_waiter->pi_state;  in futex_unlock_pi()