static inline int dl_bw_cpus(int i)
{
	struct root_domain *rd = cpu_rq(i)->rd;
	int cpus = 0;

	RCU_LOCKDEP_WARN(!rcu_read_lock_sched_held(),
			 "sched RCU must be held");
	for_each_cpu_and(i, rd->span, cpu_active_mask)
		cpus++;

	return cpus;
}
Unknown