298 	struct worker		*rescuer;	/* MD: rescue worker */  member
2391 	if (!wq->rescuer)  in send_mayday()
2403 		wake_up_process(wq->rescuer->task);  in send_mayday()
2826 	struct worker *rescuer = __rescuer;  in rescuer_thread()  local
2827 	struct workqueue_struct *wq = rescuer->rescue_wq;  in rescuer_thread()
2864 		worker_attach_to_pool(rescuer, pool);  in rescuer_thread()
2872 		WARN_ON_ONCE(!list_empty(&rescuer->scheduled));  in rescuer_thread()
2875 			    assign_work(work, rescuer, &n))  in rescuer_thread()
2879 		if (!list_empty(&rescuer->scheduled)) {  in rescuer_thread()
2880 			process_scheduled_works(rescuer);  in rescuer_thread()
2897 				if (wq->rescuer && list_empty(&pwq->mayday_node)) {  in rescuer_thread()
2919 		worker_detach_from_pool(rescuer);  in rescuer_thread()
2933 	WARN_ON_ONCE(!(rescuer->flags & WORKER_NOT_RUNNING));  in rescuer_thread()
3381 	    (pwq->wq->saved_max_active == 1 || pwq->wq->rescuer)) {  in start_flush_work()
4641 	struct worker *rescuer;  in init_rescuer()  local
4647 	rescuer = alloc_worker(NUMA_NO_NODE);  in init_rescuer()
4648 	if (!rescuer) {  in init_rescuer()
4654 	rescuer->rescue_wq = wq;  in init_rescuer()
4655 	rescuer->task = kthread_create(rescuer_thread, rescuer, "kworker/R-%s", wq->name);  in init_rescuer()
4656 	if (IS_ERR(rescuer->task)) {  in init_rescuer()
4657 		ret = PTR_ERR(rescuer->task);  in init_rescuer()
4660 		kfree(rescuer);  in init_rescuer()
4664 	wq->rescuer = rescuer;  in init_rescuer()
4665 	kthread_bind_mask(rescuer->task, cpu_possible_mask);  in init_rescuer()
4666 	wake_up_process(rescuer->task);  in init_rescuer()
4806 	if (wq->rescuer) {  in destroy_workqueue()
4807 		struct worker *rescuer = wq->rescuer;  in destroy_workqueue()  local
4811 		wq->rescuer = NULL;  in destroy_workqueue()
4815 		kthread_stop(rescuer->task);  in destroy_workqueue()
4816 		kfree(rescuer);  in destroy_workqueue()