350 	struct worker		*rescuer;	/* MD: rescue worker */  member
2986 	if (!wq->rescuer)  in send_mayday()
2998 		wake_up_process(wq->rescuer->task);  in send_mayday()
3440 static bool assign_rescuer_work(struct pool_workqueue *pwq, struct worker *rescuer)  in assign_rescuer_work()  argument
3454 		if (get_work_pwq(work) == pwq && assign_work(work, rescuer, &n))  in assign_rescuer_work()
3458 	return !list_empty(&rescuer->scheduled);  in assign_rescuer_work()
3484 	struct worker *rescuer = __rescuer;  in rescuer_thread()  local
3485 	struct workqueue_struct *wq = rescuer->rescue_wq;  in rescuer_thread()
3521 		worker_attach_to_pool(rescuer, pool);  in rescuer_thread()
3525 		WARN_ON_ONCE(!list_empty(&rescuer->scheduled));  in rescuer_thread()
3527 		if (assign_rescuer_work(pwq, rescuer)) {  in rescuer_thread()
3528 			process_scheduled_works(rescuer);  in rescuer_thread()
3560 		worker_detach_from_pool(rescuer);  in rescuer_thread()
3580 	WARN_ON_ONCE(!(rescuer->flags & WORKER_NOT_RUNNING));  in rescuer_thread()
4220 	if (!from_cancel && (wq->saved_max_active == 1 || wq->rescuer))  in start_flush_work()
5587 	struct worker *rescuer;  in init_rescuer()  local
5596 	rescuer = alloc_worker(NUMA_NO_NODE);  in init_rescuer()
5597 	if (!rescuer) {  in init_rescuer()
5603 	rescuer->rescue_wq = wq;  in init_rescuer()
5604 	format_worker_id(id_buf, sizeof(id_buf), rescuer, NULL);  in init_rescuer()
5606 	rescuer->task = kthread_create(rescuer_thread, rescuer, "%s", id_buf);  in init_rescuer()
5607 	if (IS_ERR(rescuer->task)) {  in init_rescuer()
5608 		ret = PTR_ERR(rescuer->task);  in init_rescuer()
5611 		kfree(rescuer);  in init_rescuer()
5615 	wq->rescuer = rescuer;  in init_rescuer()
5619 		kthread_bind_mask(rescuer->task, wq_unbound_cpumask);  in init_rescuer()
5621 		kthread_bind_mask(rescuer->task, cpu_possible_mask);  in init_rescuer()
5623 	wake_up_process(rescuer->task);  in init_rescuer()
5906 	if (wq->rescuer) {  in destroy_workqueue()
5908 		kthread_stop(wq->rescuer->task);  in destroy_workqueue()
5909 		kfree(wq->rescuer);  in destroy_workqueue()
5910 		wq->rescuer = NULL;  in destroy_workqueue()
6944 			if (wq->rescuer && !wq->rescuer->pool)  in workqueue_apply_unbound_cpumask()
6945 				unbind_worker(wq->rescuer);  in workqueue_apply_unbound_cpumask()