5961 	struct sched_group *busiest;	/* Busiest group in this sd */  member
5980 		.busiest = NULL,  in init_sd_lb_stats()
6327 	struct sg_lb_stats *busiest = &sds->busiest_stat;  in update_sd_pick_busiest()  local
6329 	if (sgs->group_type > busiest->group_type)  in update_sd_pick_busiest()
6332 	if (sgs->group_type < busiest->group_type)  in update_sd_pick_busiest()
6335 	if (sgs->avg_load <= busiest->avg_load)  in update_sd_pick_busiest()
6348 		if (!sds->busiest)  in update_sd_pick_busiest()
6351 		if (group_first_cpu(sds->busiest) > group_first_cpu(sg))  in update_sd_pick_busiest()
6444 			sds->busiest = sg;  in update_sd_lb_stats()
6497 	if (!sds->busiest)  in check_asym_packing()
6500 	busiest_cpu = group_first_cpu(sds->busiest);  in check_asym_packing()
6524 	struct sg_lb_stats *local, *busiest;  in fix_small_imbalance()  local
6527 	busiest = &sds->busiest_stat;  in fix_small_imbalance()
6531 	else if (busiest->load_per_task > local->load_per_task)  in fix_small_imbalance()
6535 		(busiest->load_per_task * SCHED_CAPACITY_SCALE) /  in fix_small_imbalance()
6536 		busiest->group_capacity;  in fix_small_imbalance()
6538 	if (busiest->avg_load + scaled_busy_load_per_task >=  in fix_small_imbalance()
6540 		env->imbalance = busiest->load_per_task;  in fix_small_imbalance()
6550 	capa_now += busiest->group_capacity *  in fix_small_imbalance()
6551 			min(busiest->load_per_task, busiest->avg_load);  in fix_small_imbalance()
6557 	if (busiest->avg_load > scaled_busy_load_per_task) {  in fix_small_imbalance()
6558 		capa_move += busiest->group_capacity *  in fix_small_imbalance()
6559 			    min(busiest->load_per_task,  in fix_small_imbalance()
6560 				busiest->avg_load - scaled_busy_load_per_task);  in fix_small_imbalance()
6564 	if (busiest->avg_load * busiest->group_capacity <  in fix_small_imbalance()
6565 	    busiest->load_per_task * SCHED_CAPACITY_SCALE) {  in fix_small_imbalance()
6566 		tmp = (busiest->avg_load * busiest->group_capacity) /  in fix_small_imbalance()
6569 		tmp = (busiest->load_per_task * SCHED_CAPACITY_SCALE) /  in fix_small_imbalance()
6578 		env->imbalance = busiest->load_per_task;  in fix_small_imbalance()
6590 	struct sg_lb_stats *local, *busiest;  in calculate_imbalance()  local
6593 	busiest = &sds->busiest_stat;  in calculate_imbalance()
6595 	if (busiest->group_type == group_imbalanced) {  in calculate_imbalance()
6600 		busiest->load_per_task =  in calculate_imbalance()
6601 			min(busiest->load_per_task, sds->avg_load);  in calculate_imbalance()
6609 	if (busiest->avg_load <= sds->avg_load ||  in calculate_imbalance()
6618 	if (busiest->group_type == group_overloaded &&  in calculate_imbalance()
6620 		load_above_capacity = busiest->sum_nr_running *  in calculate_imbalance()
6622 		if (load_above_capacity > busiest->group_capacity)  in calculate_imbalance()
6623 			load_above_capacity -= busiest->group_capacity;  in calculate_imbalance()
6636 	max_pull = min(busiest->avg_load - sds->avg_load, load_above_capacity);  in calculate_imbalance()
6640 		max_pull * busiest->group_capacity,  in calculate_imbalance()
6650 	if (env->imbalance < busiest->load_per_task)  in calculate_imbalance()
6675 	struct sg_lb_stats *local, *busiest;  in find_busiest_group()  local
6686 	busiest = &sds.busiest_stat;  in find_busiest_group()
6691 		return sds.busiest;  in find_busiest_group()
6694 	if (!sds.busiest || busiest->sum_nr_running == 0)  in find_busiest_group()
6705 	if (busiest->group_type == group_imbalanced)  in find_busiest_group()
6710 	    busiest->group_no_capacity)  in find_busiest_group()
6717 	if (local->avg_load >= busiest->avg_load)  in find_busiest_group()
6735 		if ((busiest->group_type != group_overloaded) &&  in find_busiest_group()
6736 				(local->idle_cpus <= (busiest->idle_cpus + 1)))  in find_busiest_group()
6743 		if (100 * busiest->avg_load <=  in find_busiest_group()
6751 	return sds.busiest;  in find_busiest_group()
6764 	struct rq *busiest = NULL, *rq;  in find_busiest_queue()  local
6824 			busiest = rq;  in find_busiest_queue()
6828 	return busiest;  in find_busiest_queue()
6918 	struct rq *busiest;  in load_balance()  local
6957 	busiest = find_busiest_queue(&env, group);  in load_balance()
6958 	if (!busiest) {  in load_balance()
6963 	BUG_ON(busiest == env.dst_rq);  in load_balance()
6967 	env.src_cpu = busiest->cpu;  in load_balance()
6968 	env.src_rq = busiest;  in load_balance()
6971 	if (busiest->nr_running > 1) {  in load_balance()
6979 		env.loop_max  = min(sysctl_sched_nr_migrate, busiest->nr_running);  in load_balance()
6982 		raw_spin_lock_irqsave(&busiest->lock, flags);  in load_balance()
6998 		raw_spin_unlock(&busiest->lock);  in load_balance()
7061 			cpumask_clear_cpu(cpu_of(busiest), cpus);  in load_balance()
7083 			raw_spin_lock_irqsave(&busiest->lock, flags);  in load_balance()
7090 					tsk_cpus_allowed(busiest->curr))) {  in load_balance()
7091 				raw_spin_unlock_irqrestore(&busiest->lock,  in load_balance()
7102 			if (!busiest->active_balance) {  in load_balance()
7103 				busiest->active_balance = 1;  in load_balance()
7104 				busiest->push_cpu = this_cpu;  in load_balance()
7107 			raw_spin_unlock_irqrestore(&busiest->lock, flags);  in load_balance()
7110 				stop_one_cpu_nowait(cpu_of(busiest),  in load_balance()
7111 					active_load_balance_cpu_stop, busiest,  in load_balance()
7112 					&busiest->active_balance_work);  in load_balance()