378 static inline int match_futex(union futex_key *key1, union futex_key *key2)  in match_futex()  argument
380 	return (key1 && key2  in match_futex()
381 		&& key1->both.word == key2->both.word  in match_futex()
382 		&& key1->both.ptr == key2->both.ptr  in match_futex()
383 		&& key1->both.offset == key2->both.offset);  in match_futex()
1683 	union futex_key key1 = FUTEX_KEY_INIT, key2 = FUTEX_KEY_INIT;  in futex_wake_op()  local
1693 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2, FUTEX_WRITE);  in futex_wake_op()
1698 	hb2 = hash_futex(&key2);  in futex_wake_op()
1746 			if (match_futex (&this->key, &key2)) {  in futex_wake_op()
1774 		   struct futex_hash_bucket *hb2, union futex_key *key2)  in requeue_futex()  argument
1788 	q->key = *key2;  in requeue_futex()
1850 			   union futex_key *key2, struct futex_pi_state **ps,  in futex_proxy_trylock_atomic()  argument
1878 	if (!match_futex(top_waiter->requeue_pi_key, key2))  in futex_proxy_trylock_atomic()
1887 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,  in futex_proxy_trylock_atomic()
1890 		requeue_pi_wake_futex(top_waiter, key2, hb2);  in futex_proxy_trylock_atomic()
1918 	union futex_key key1 = FUTEX_KEY_INIT, key2 = FUTEX_KEY_INIT;  in futex_requeue()  local
1969 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2,  in futex_requeue()
1978 	if (requeue_pi && match_futex(&key1, &key2))  in futex_requeue()
1982 	hb2 = hash_futex(&key2);  in futex_requeue()
2022 						 &key2, &pi_state,  in futex_requeue()
2049 			ret = lookup_pi_state(uaddr2, ret, hb2, &key2,  in futex_requeue()
2121 		if (requeue_pi && !match_futex(this->requeue_pi_key, &key2)) {  in futex_requeue()
2150 				requeue_pi_wake_futex(this, &key2, hb2);  in futex_requeue()
2170 		requeue_futex(this, hb1, hb2, &key2);  in futex_requeue()
3112 				   struct futex_q *q, union futex_key *key2,  in handle_early_requeue_pi_wakeup()  argument
3124 	if (!match_futex(&q->key, key2)) {  in handle_early_requeue_pi_wakeup()
3191 	union futex_key key2 = FUTEX_KEY_INIT;  in futex_wait_requeue_pi()  local
3213 	ret = get_futex_key(uaddr2, flags & FLAGS_SHARED, &key2, FUTEX_WRITE);  in futex_wait_requeue_pi()
3219 	q.requeue_pi_key = &key2;  in futex_wait_requeue_pi()
3233 	if (match_futex(&q.key, &key2)) {  in futex_wait_requeue_pi()
3243 	ret = handle_early_requeue_pi_wakeup(hb, &q, &key2, to);  in futex_wait_requeue_pi()