2492 	mgctx->tset.nr_tasks++;  in cgroup_migrate_add_task()
2497 			      &mgctx->tset.src_csets);  in cgroup_migrate_add_task()
2500 			      &mgctx->tset.dst_csets);  in cgroup_migrate_add_task()
2510 struct task_struct *cgroup_taskset_first(struct cgroup_taskset *tset,  in cgroup_taskset_first()  argument
2513 	tset->cur_cset = list_first_entry(tset->csets, struct css_set, mg_node);  in cgroup_taskset_first()
2514 	tset->cur_task = NULL;  in cgroup_taskset_first()
2516 	return cgroup_taskset_next(tset, dst_cssp);  in cgroup_taskset_first()
2528 struct task_struct *cgroup_taskset_next(struct cgroup_taskset *tset,  in cgroup_taskset_next()  argument
2531 	struct css_set *cset = tset->cur_cset;  in cgroup_taskset_next()
2532 	struct task_struct *task = tset->cur_task;  in cgroup_taskset_next()
2534 	while (CGROUP_HAS_SUBSYS_CONFIG && &cset->mg_node != tset->csets) {  in cgroup_taskset_next()
2542 			tset->cur_cset = cset;  in cgroup_taskset_next()
2543 			tset->cur_task = task;  in cgroup_taskset_next()
2552 				*dst_cssp = cset->mg_dst_cset->subsys[tset->ssid];  in cgroup_taskset_next()
2554 				*dst_cssp = cset->subsys[tset->ssid];  in cgroup_taskset_next()
2578 	struct cgroup_taskset *tset = &mgctx->tset;  in cgroup_migrate_execute()  local
2585 	if (tset->nr_tasks) {  in cgroup_migrate_execute()
2588 				tset->ssid = ssid;  in cgroup_migrate_execute()
2589 				ret = ss->can_attach(tset);  in cgroup_migrate_execute()
2604 	list_for_each_entry(cset, &tset->src_csets, mg_node) {  in cgroup_migrate_execute()
2630 	tset->csets = &tset->dst_csets;  in cgroup_migrate_execute()
2632 	if (tset->nr_tasks) {  in cgroup_migrate_execute()
2635 				tset->ssid = ssid;  in cgroup_migrate_execute()
2636 				trace_android_vh_cgroup_attach(ss, tset);  in cgroup_migrate_execute()
2637 				ss->attach(tset);  in cgroup_migrate_execute()
2646 	if (tset->nr_tasks) {  in cgroup_migrate_execute()
2651 				tset->ssid = ssid;  in cgroup_migrate_execute()
2652 				ss->cancel_attach(tset);  in cgroup_migrate_execute()
2658 	list_splice_init(&tset->dst_csets, &tset->src_csets);  in cgroup_migrate_execute()
2659 	list_for_each_entry_safe(cset, tmp_cset, &tset->src_csets, mg_node) {  in cgroup_migrate_execute()
2670 	tset->nr_tasks = 0;  in cgroup_migrate_execute()
2671 	tset->csets    = &tset->src_csets;  in cgroup_migrate_execute()