static void css_set_update_populated(struct css_set *cset, bool populated)
{
	struct cgrp_cset_link *link;

	lockdep_assert_held(&css_set_lock);

	list_for_each_entry(link, &cset->cgrp_links, cgrp_link)
		cgroup_update_populated(link->cgrp, populated);
}
static void css_set_update_populated(struct css_set *cset, bool populated)
{
	struct cgrp_cset_link *link;

	lockdep_assert_held(&css_set_lock);

	list_for_each_entry(link, &cset->cgrp_links, cgrp_link)
		cgroup_update_populated(link->cgrp, populated);
}