29  * the hb spinlock can be avoided and simply return. In order for this
147 	 * the hb->lock.  in futex_wake_mark()
157 	struct futex_hash_bucket *hb;  in futex_wake()  local
173 	hb = futex_hash(&key);  in futex_wake()
176 	if (!futex_hb_waiters_pending(hb))  in futex_wake()
179 	spin_lock(&hb->lock);  in futex_wake()
181 	plist_for_each_entry_safe(this, next, &hb->chain, list) {  in futex_wake()
198 	spin_unlock(&hb->lock);  in futex_wake()
338  * @hb:		the futex hash bucket, must be locked by the caller
342 void futex_wait_queue(struct futex_hash_bucket *hb, struct futex_q *q,  in futex_wait_queue()  argument
352 	futex_queue(q, hb, current);  in futex_wait_queue()
415 	struct futex_hash_bucket *hb;  in futex_wait_multiple_setup()  local
454 		hb = futex_q_lock(q);  in futex_wait_multiple_setup()
460 			 * next futex. Queue each futex at this moment so hb can  in futex_wait_multiple_setup()
463 			futex_queue(q, hb, current);  in futex_wait_multiple_setup()
467 		futex_q_unlock(hb);  in futex_wait_multiple_setup()
581  * @hb:		storage for hash_bucket pointer to be returned to caller
585  * Return with the hb lock held on success, and unlocked on failure.
588  *  -  0 - uaddr contains val and hb has been locked;
589  *  - <1 - -EFAULT or -EWOULDBLOCK (uaddr does not contain val) and hb is unlocked
592 		     struct futex_q *q, struct futex_hash_bucket **hb)  in futex_wait_setup()  argument
621 	*hb = futex_q_lock(q);  in futex_wait_setup()
626 		futex_q_unlock(*hb);  in futex_wait_setup()
639 		futex_q_unlock(*hb);  in futex_wait_setup()
650 	struct futex_hash_bucket *hb;  in __futex_wait()  local
660 	 * Prepare to wait on uaddr. On success, it holds hb->lock and q  in __futex_wait()
663 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in __futex_wait()
668 	futex_wait_queue(hb, &q, to);  in __futex_wait()