1299 double_lock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2)  in double_lock_hb()  argument
1301 	if (hb1 <= hb2) {  in double_lock_hb()
1303 		if (hb1 < hb2)  in double_lock_hb()
1304 			spin_lock_nested(&hb2->lock, SINGLE_DEPTH_NESTING);  in double_lock_hb()
1306 		spin_lock(&hb2->lock);  in double_lock_hb()
1312 double_unlock_hb(struct futex_hash_bucket *hb1, struct futex_hash_bucket *hb2)  in double_unlock_hb()  argument
1315 	if (hb1 != hb2)  in double_unlock_hb()
1316 		spin_unlock(&hb2->lock);  in double_unlock_hb()
1380 	struct futex_hash_bucket *hb1, *hb2;  in futex_wake_op()  local
1394 	hb2 = hash_futex(&key2);  in futex_wake_op()
1397 	double_lock_hb(hb1, hb2);  in futex_wake_op()
1401 		double_unlock_hb(hb1, hb2);  in futex_wake_op()
1443 		plist_for_each_entry_safe(this, next, &hb2->chain, list) {  in futex_wake_op()
1458 	double_unlock_hb(hb1, hb2);  in futex_wake_op()
1477 		   struct futex_hash_bucket *hb2, union futex_key *key2)  in requeue_futex()  argument
1484 	if (likely(&hb1->chain != &hb2->chain)) {  in requeue_futex()
1487 		hb_waiters_inc(hb2);  in requeue_futex()
1488 		plist_add(&q->list, &hb2->chain);  in requeue_futex()
1489 		q->lock_ptr = &hb2->lock;  in requeue_futex()
1548 				 struct futex_hash_bucket *hb2,  in futex_proxy_trylock_atomic()  argument
1586 	ret = futex_lock_pi_atomic(pifutex, hb2, key2, ps, top_waiter->task,  in futex_proxy_trylock_atomic()
1589 		requeue_pi_wake_futex(top_waiter, key2, hb2);  in futex_proxy_trylock_atomic()
1620 	struct futex_hash_bucket *hb1, *hb2;  in futex_requeue()  local
1671 	hb2 = hash_futex(&key2);  in futex_requeue()
1674 	hb_waiters_inc(hb2);  in futex_requeue()
1675 	double_lock_hb(hb1, hb2);  in futex_requeue()
1683 			double_unlock_hb(hb1, hb2);  in futex_requeue()
1684 			hb_waiters_dec(hb2);  in futex_requeue()
1710 		ret = futex_proxy_trylock_atomic(uaddr2, hb1, hb2, &key1,  in futex_requeue()
1735 			ret = lookup_pi_state(ret, hb2, &key2, &pi_state);  in futex_requeue()
1744 			double_unlock_hb(hb1, hb2);  in futex_requeue()
1745 			hb_waiters_dec(hb2);  in futex_requeue()
1761 			double_unlock_hb(hb1, hb2);  in futex_requeue()
1762 			hb_waiters_dec(hb2);  in futex_requeue()
1822 				requeue_pi_wake_futex(this, &key2, hb2);  in futex_requeue()
1832 		requeue_futex(this, hb1, hb2, &key2);  in futex_requeue()
1838 	double_unlock_hb(hb1, hb2);  in futex_requeue()
1840 	hb_waiters_dec(hb2);  in futex_requeue()