438  * @hb:		the hash bucket the futex_q's reside in
441  * Must be called with the hb lock held.
443 struct futex_q *futex_top_waiter(struct futex_hash_bucket *hb, union futex_key *key)  in futex_top_waiter()  argument
447 	plist_for_each_entry(this, &hb->chain, list) {  in futex_top_waiter()
493 	struct futex_hash_bucket *hb;  in __futex_unqueue()  local
499 	hb = container_of(q->lock_ptr, struct futex_hash_bucket, lock);  in __futex_unqueue()
500 	plist_del(&q->list, &hb->chain);  in __futex_unqueue()
501 	futex_hb_waiters_dec(hb);  in __futex_unqueue()
506 	__acquires(&hb->lock)  in futex_q_lock()
508 	struct futex_hash_bucket *hb;  in futex_q_lock()  local
510 	hb = futex_hash(&q->key);  in futex_q_lock()
520 	futex_hb_waiters_inc(hb); /* implies smp_mb(); (A) */  in futex_q_lock()
522 	q->lock_ptr = &hb->lock;  in futex_q_lock()
524 	spin_lock(&hb->lock);  in futex_q_lock()
525 	return hb;  in futex_q_lock()
528 void futex_q_unlock(struct futex_hash_bucket *hb)  in futex_q_unlock()  argument
529 	__releases(&hb->lock)  in futex_q_unlock()
531 	spin_unlock(&hb->lock);  in futex_q_unlock()
532 	futex_hb_waiters_dec(hb);  in futex_q_unlock()
535 void __futex_queue(struct futex_q *q, struct futex_hash_bucket *hb,  in __futex_queue()  argument
551 	plist_add(&q->list, &hb->chain);  in __futex_queue()
952 	struct futex_hash_bucket *hb;  in exit_pi_state_list()  local
965 		hb = futex_hash(&key);  in exit_pi_state_list()
985 		spin_lock(&hb->lock);  in exit_pi_state_list()
995 			spin_unlock(&hb->lock);  in exit_pi_state_list()
1007 		spin_unlock(&hb->lock);  in exit_pi_state_list()