# cgroup v2: enable nesting
  if [ -f /sys/fs/cgroup/cgroup.controllers ]; then
    # move the processes from the root group to the /init group,
    # otherwise writing subtree_control fails with EBUSY.
    # An error during moving non-existent process (i.e., "cat") is ignored.
    mkdir -p /sys/fs/cgroup/init
    xargs -rn1 < /sys/fs/cgroup/cgroup.procs > /sys/fs/cgroup/init/cgroup.procs || :

				VolumeStatsAggPeriod:           metav1.Duration{Duration: 60 * time.Second},
				KubeletCgroups:                 "kubelet-cgroup",
				SystemCgroups:                  "system-cgroup",
				CgroupRoot:                     "root-cgroup",
				CgroupsPerQOS:                  utilpointer.Bool(true),
				CgroupDriver:                   "systemd",
				CPUManagerPolicy:               "cpu-manager-policy",

		if err != nil {
			return err
		}
		if reservedSystemCPUs.Size() > 0 {
			// at cmd option validation phase it is tested either --system-reserved-cgroup or --kube-reserved-cgroup is specified, so overwrite should be ok
			klog.InfoS("Option --reserved-cpus is specified, it will overwrite the cpu setting in KubeReserved and SystemReserved", "kubeReserved", s.KubeReserved, "systemReserved", s.SystemReserved)

		if err != nil {
			klog.ErrorS(err, "Failed to set cgroup config", "resource", rName, "pod", pod.Name)
		}
		return err
	}
	// Memory and CPU are updated separately because memory resizes may be ordered differently than CPU resizes.
	// If resize results in net pod resource increase, set pod cgroup config before resizing containers.
	// If resize results in net pod resource decrease, set pod cgroup config after resizing containers.