testcases/kernel/controllers/cgroup/cgroup_regression_9_2.sh

#!/bin/sh
# SPDX-License-Identifier: GPL-2.0-or-later
# Copyright (c) 2009 FUJITSU LIMITED
# Author: Li Zefan <lizf@cn.fujitsu.com>

trap exit USR1

while true; do
	mount -t cgroup xxx cgroup/ > /dev/null 2>&1
	umount cgroup/ > /dev/null 2>&1
done