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

	seq_printf(seq, "nr_descendants %d\n",
		   cgroup->nr_descendants);
	seq_printf(seq, "nr_dying_descendants %d\n",
		   cgroup->nr_dying_descendants);

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

	seq_printf(seq, "nr_descendants %d\n",
		   cgroup->nr_descendants);
	seq_printf(seq, "nr_dying_descendants %d\n",
		   cgroup->nr_dying_descendants);

	return 0;
}