251 	struct worker		*rescuer;	/* MD: rescue worker */  member
2021 	if (!wq->rescuer)  in send_mayday()
2033 		wake_up_process(wq->rescuer->task);  in send_mayday()
2466 	struct worker *rescuer = __rescuer;  in rescuer_thread()  local
2467 	struct workqueue_struct *wq = rescuer->rescue_wq;  in rescuer_thread()
2468 	struct list_head *scheduled = &rescuer->scheduled;  in rescuer_thread()
2506 		worker_attach_to_pool(rescuer, pool);  in rescuer_thread()
2525 			process_scheduled_works(rescuer);  in rescuer_thread()
2542 				if (wq->rescuer && list_empty(&pwq->mayday_node)) {  in rescuer_thread()
2566 		worker_detach_from_pool(rescuer);  in rescuer_thread()
2580 	WARN_ON_ONCE(!(rescuer->flags & WORKER_NOT_RUNNING));  in rescuer_thread()
3021 	    (pwq->wq->saved_max_active == 1 || pwq->wq->rescuer)) {  in start_flush_work()
4215 	struct worker *rescuer;  in init_rescuer()  local
4221 	rescuer = alloc_worker(NUMA_NO_NODE);  in init_rescuer()
4222 	if (!rescuer)  in init_rescuer()
4225 	rescuer->rescue_wq = wq;  in init_rescuer()
4226 	rescuer->task = kthread_create(rescuer_thread, rescuer, "%s", wq->name);  in init_rescuer()
4227 	if (IS_ERR(rescuer->task)) {  in init_rescuer()
4228 		ret = PTR_ERR(rescuer->task);  in init_rescuer()
4229 		kfree(rescuer);  in init_rescuer()
4233 	wq->rescuer = rescuer;  in init_rescuer()
4234 	kthread_bind_mask(rescuer->task, cpu_possible_mask);  in init_rescuer()
4235 	wake_up_process(rescuer->task);  in init_rescuer()
4375 	if (wq->rescuer) {  in destroy_workqueue()
4376 		struct worker *rescuer = wq->rescuer;  in destroy_workqueue()  local
4380 		wq->rescuer = NULL;  in destroy_workqueue()
4384 		kthread_stop(rescuer->task);  in destroy_workqueue()
4385 		kfree(rescuer);  in destroy_workqueue()