69  * requeue_futex() - Requeue a futex_q from one hb to another
200  * @hb:		the hash_bucket of the requeue target futex
213  * 4) Set the q->lock_ptr to the requeue target hb->lock for the case that
222  * Must be called with both q->lock_ptr and hb->lock held.
226 			   struct futex_hash_bucket *hb)  in requeue_pi_wake_futex()  argument
235 	q->lock_ptr = &hb->lock;  in requeue_pi_wake_futex()
685  * @hb:		the hash_bucket futex_q was original enqueued on
695 int handle_early_requeue_pi_wakeup(struct futex_hash_bucket *hb,  in handle_early_requeue_pi_wakeup()  argument
702 	 * With the hb lock held, we avoid races while we process the wakeup.  in handle_early_requeue_pi_wakeup()
703 	 * We only need to hold hb (and not hb2) to ensure atomicity as the  in handle_early_requeue_pi_wakeup()
704 	 * wakeup code can't change q.key from uaddr to uaddr2 if we hold hb.  in handle_early_requeue_pi_wakeup()
708 	WARN_ON_ONCE(&hb->lock != q->lock_ptr);  in handle_early_requeue_pi_wakeup()
714 	plist_del(&q->list, &hb->chain);  in handle_early_requeue_pi_wakeup()
715 	futex_hb_waiters_dec(hb);  in handle_early_requeue_pi_wakeup()
772 	struct futex_hash_bucket *hb;  in futex_wait_requeue_pi()  local
805 	 * Prepare to wait on uaddr. On success, it holds hb->lock and q  in futex_wait_requeue_pi()
808 	ret = futex_wait_setup(uaddr, val, flags, &q, &hb);  in futex_wait_requeue_pi()
817 		futex_q_unlock(hb);  in futex_wait_requeue_pi()
822 	/* Queue the futex_q, drop the hb lock, wait for wakeup. */  in futex_wait_requeue_pi()
823 	futex_wait_queue(hb, &q, to);  in futex_wait_requeue_pi()
828 		spin_lock(&hb->lock);  in futex_wait_requeue_pi()
829 		ret = handle_early_requeue_pi_wakeup(hb, &q, to);  in futex_wait_requeue_pi()
830 		spin_unlock(&hb->lock);  in futex_wait_requeue_pi()