390 static inline int match_futex(union futex_key *key1, union futex_key *key2)  in match_futex()  function
661 		if (match_futex(&this->key, key))  in futex_top_waiter()
1347 		if (match_futex (&this->key, &key)) {  in futex_wake()
1430 		if (match_futex (&this->key, &key1)) {  in futex_wake_op()
1444 			if (match_futex (&this->key, &key2)) {  in futex_wake_op()
1577 	if (!match_futex(top_waiter->requeue_pi_key, key2))  in futex_proxy_trylock_atomic()
1665 	if (requeue_pi && match_futex(&key1, &key2)) {  in futex_requeue()
1776 		if (!match_futex(&this->key, &key1))  in futex_requeue()
1804 		if (requeue_pi && !match_futex(this->requeue_pi_key, &key2)) {  in futex_requeue()
2628 	if (!match_futex(&q->key, key2)) {  in handle_early_requeue_pi_wakeup()
2744 	if (match_futex(&q.key, &key2)) {  in futex_wait_requeue_pi()