static int cgroup_events_show(struct seq_file *seq, void *v)
{
	struct cgroup *cgrp = seq_css(seq)->cgroup;

	seq_printf(seq, "populated %d\n", cgroup_is_populated(cgrp));
	seq_printf(seq, "frozen %d\n", test_bit(CGRP_FROZEN, &cgrp->flags));

	return 0;
}
static int cgroup_events_show(struct seq_file *seq, void *v)
{
	struct cgroup *cgrp = seq_css(seq)->cgroup;

	seq_printf(seq, "populated %d\n", cgroup_is_populated(cgrp));
	seq_printf(seq, "frozen %d\n", test_bit(CGRP_FROZEN, &cgrp->flags));

	return 0;
}