static int cpu_cgroup_populate(struct cgroup_subsys *ss, struct cgroup *cont)
{
	return cgroup_add_files(cont, ss, cpu_files, ARRAY_SIZE(cpu_files));
}
static int cpu_cgroup_populate(struct cgroup_subsys *ss, struct cgroup *cont)
{
	return cgroup_add_files(cont, ss, cpu_files, ARRAY_SIZE(cpu_files));
}