2917 void idle_enter_fair(struct rq *this_rq)  in idle_enter_fair()  argument
2919 	update_rq_runnable_avg(this_rq, 1);  in idle_enter_fair()
2927 void idle_exit_fair(struct rq *this_rq)  in idle_exit_fair()  argument
2929 	update_rq_runnable_avg(this_rq, 0);  in idle_exit_fair()
2932 static int idle_balance(struct rq *this_rq);
6911 static int load_balance(int this_cpu, struct rq *this_rq,  in load_balance()  argument
6925 		.dst_rq		= this_rq,  in load_balance()
7205 static int idle_balance(struct rq *this_rq)  in idle_balance()  argument
7208 	int this_cpu = this_rq->cpu;  in idle_balance()
7213 	idle_enter_fair(this_rq);  in idle_balance()
7219 	this_rq->idle_stamp = rq_clock(this_rq);  in idle_balance()
7221 	if (this_rq->avg_idle < sysctl_sched_migration_cost ||  in idle_balance()
7222 	    !this_rq->rd->overload) {  in idle_balance()
7224 		sd = rcu_dereference_check_sched_domain(this_rq->sd);  in idle_balance()
7235 	raw_spin_unlock(&this_rq->lock);  in idle_balance()
7246 		if (this_rq->avg_idle < curr_cost + sd->max_newidle_lb_cost) {  in idle_balance()
7254 			pulled_task = load_balance(this_cpu, this_rq,  in idle_balance()
7271 		if (pulled_task || this_rq->nr_running > 0)  in idle_balance()
7276 	raw_spin_lock(&this_rq->lock);  in idle_balance()
7278 	if (curr_cost > this_rq->max_idle_balance_cost)  in idle_balance()
7279 		this_rq->max_idle_balance_cost = curr_cost;  in idle_balance()
7286 	if (this_rq->cfs.h_nr_running && !pulled_task)  in idle_balance()
7291 	if (time_after(this_rq->next_balance, next_balance))  in idle_balance()
7292 		this_rq->next_balance = next_balance;  in idle_balance()
7295 	if (this_rq->nr_running != this_rq->cfs.h_nr_running)  in idle_balance()
7299 		idle_exit_fair(this_rq);  in idle_balance()
7300 		this_rq->idle_stamp = 0;  in idle_balance()
7632 static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle)  in nohz_idle_balance()  argument
7634 	int this_cpu = this_rq->cpu;  in nohz_idle_balance()
7668 		if (time_after(this_rq->next_balance, rq->next_balance))  in nohz_idle_balance()
7669 			this_rq->next_balance = rq->next_balance;  in nohz_idle_balance()
7671 	nohz.next_balance = this_rq->next_balance;  in nohz_idle_balance()
7752 static void nohz_idle_balance(struct rq *this_rq, enum cpu_idle_type idle) { }  in nohz_idle_balance()  argument
7761 	struct rq *this_rq = this_rq();  in run_rebalance_domains()  local
7762 	enum cpu_idle_type idle = this_rq->idle_balance ?  in run_rebalance_domains()
7773 	nohz_idle_balance(this_rq, idle);  in run_rebalance_domains()
7774 	rebalance_domains(this_rq, idle);  in run_rebalance_domains()
7840 	struct rq *rq = this_rq();  in task_fork_fair()