320 static inline int match_futex(union futex_key *key1, union futex_key *key2)  in match_futex()  argument
322 	return (key1 && key2  in match_futex()
323 		&& key1->both.word == key2->both.word  in match_futex()
324 		&& key1->both.ptr == key2->both.ptr  in match_futex()
325 		&& key1->both.offset == key2->both.offset);  in match_futex()
1278 	union futex_key key1 = FUTEX_KEY_INIT, key2 = FUTEX_KEY_INIT;  in futex_wake_op()  local
1287 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2, VERIFY_WRITE);  in futex_wake_op()
1292 	hb2 = hash_futex(&key2);  in futex_wake_op()
1322 		put_futex_key(&key2);  in futex_wake_op()
1342 			if (match_futex (&this->key, &key2)) {  in futex_wake_op()
1358 	put_futex_key(&key2);  in futex_wake_op()
1374 		   struct futex_hash_bucket *hb2, union futex_key *key2)  in requeue_futex()  argument
1388 	get_futex_key_refs(key2);  in requeue_futex()
1389 	q->key = *key2;  in requeue_futex()
1446 				 union futex_key *key1, union futex_key *key2,  in futex_proxy_trylock_atomic()  argument
1471 	if (!match_futex(top_waiter->requeue_pi_key, key2))  in futex_proxy_trylock_atomic()
1480 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,  in futex_proxy_trylock_atomic()
1483 		requeue_pi_wake_futex(top_waiter, key2, hb2);  in futex_proxy_trylock_atomic()
1511 	union futex_key key1 = FUTEX_KEY_INIT, key2 = FUTEX_KEY_INIT;  in futex_requeue()  local
1549 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2,  in futex_requeue()
1558 	if (requeue_pi && match_futex(&key1, &key2)) {  in futex_requeue()
1564 	hb2 = hash_futex(&key2);  in futex_requeue()
1586 			put_futex_key(&key2);  in futex_requeue()
1604 						 &key2, &pi_state, nr_requeue);  in futex_requeue()
1628 			ret = lookup_pi_state(ret, hb2, &key2, &pi_state);  in futex_requeue()
1639 			put_futex_key(&key2);  in futex_requeue()
1656 			put_futex_key(&key2);  in futex_requeue()
1697 		if (requeue_pi && !match_futex(this->requeue_pi_key, &key2)) {  in futex_requeue()
1715 				requeue_pi_wake_futex(this, &key2, hb2);  in futex_requeue()
1725 		requeue_futex(this, hb1, hb2, &key2);  in futex_requeue()
1744 	put_futex_key(&key2);  in futex_requeue()
2493 				   struct futex_q *q, union futex_key *key2,  in handle_early_requeue_pi_wakeup()  argument
2505 	if (!match_futex(&q->key, key2)) {  in handle_early_requeue_pi_wakeup()
2572 	union futex_key key2 = FUTEX_KEY_INIT;  in futex_wait_requeue_pi()  local
2601 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2, VERIFY_WRITE);  in futex_wait_requeue_pi()
2607 	q.requeue_pi_key = &key2;  in futex_wait_requeue_pi()
2621 	if (match_futex(&q.key, &key2)) {  in futex_wait_requeue_pi()
2631 	ret = handle_early_requeue_pi_wakeup(hb, &q, &key2, to);  in futex_wait_requeue_pi()
2710 	put_futex_key(&key2);  in futex_wait_requeue_pi()