/cgroup/all directory doesn't contain subsystem files for freezer.

Issue

• freezer.state file is available in /cgroup/all/openshift directory but not directly under /cgroup/all.

Here's file structure:

• /cgroup/all

--w--w--w-. root root system_u:object_r:cgroup_t:s0    cgroup.event_control
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cgroup.procs
-r--r--r--. root root system_u:object_r:cgroup_t:s0    cpuacct.stat
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpuacct.usage
-r--r--r--. root root system_u:object_r:cgroup_t:s0    cpuacct.usage_percpu
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.cfs_period_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.cfs_quota_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.rt_period_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.rt_runtime_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.shares
-r--r--r--. root root system_u:object_r:cgroup_t:s0    cpu.stat
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.failcnt
--w-------. root root system_u:object_r:cgroup_t:s0    memory.force_empty
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.limit_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.max_usage_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.failcnt
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.limit_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.max_usage_in_bytes
-r--r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.usage_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.move_charge_at_immigrate
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.oom_control
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.soft_limit_in_bytes
-r--r--r--. root root system_u:object_r:cgroup_t:s0    memory.stat
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.swappiness
-r--r--r--. root root system_u:object_r:cgroup_t:s0    memory.usage_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.use_hierarchy
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    net_cls.classid
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    notify_on_release
drwxr-xr-x. root root system_u:object_r:cgroup_t:s0    openshift
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    release_agent
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    tasks

• /cgroup/all/openshift

--w--w--w-. root root system_u:object_r:cgroup_t:s0    cgroup.event_control
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cgroup.procs
-r--r--r--. root root system_u:object_r:cgroup_t:s0    cpuacct.stat
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpuacct.usage
-r--r--r--. root root system_u:object_r:cgroup_t:s0    cpuacct.usage_percpu
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.cfs_period_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.cfs_quota_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.rt_period_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.rt_runtime_us
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    cpu.shares
-r--r--r--. root root system_u:object_r:cgroup_t:s0    cpu.stat
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    freezer.state
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.failcnt
--w-------. root root system_u:object_r:cgroup_t:s0    memory.force_empty
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.limit_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.max_usage_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.failcnt
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.limit_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.max_usage_in_bytes
-r--r--r--. root root system_u:object_r:cgroup_t:s0    memory.memsw.usage_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.move_charge_at_immigrate
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.oom_control
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.soft_limit_in_bytes
-r--r--r--. root root system_u:object_r:cgroup_t:s0    memory.stat
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.swappiness
-r--r--r--. root root system_u:object_r:cgroup_t:s0    memory.usage_in_bytes
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    memory.use_hierarchy
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    net_cls.classid
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    notify_on_release
-rw-r--r--. root root system_u:object_r:cgroup_t:s0    tasks