static bool css_set_populated(struct css_set *cset)
{
	lockdep_assert_held(&css_set_lock);

	return !list_empty(&cset->tasks) || !list_empty(&cset->mg_tasks);
}
static bool css_set_populated(struct css_set *cset)
{
	lockdep_assert_held(&css_set_lock);

	return !list_empty(&cset->tasks) || !list_empty(&cset->mg_tasks);
}