},
			{
				Device: "/dev/hugepages",
				Type:   "hugetlbfs",
				Path:   "/mnt/hugepages-1Gi",
				Opts:   []string{"rw", "relatime", "pagesize=1024M"},
			},
			{
				Device: "/dev/hugepages",
				Type:   "hugetlbfs",
				Path:   "/mnt/noopt",
				Opts:   []string{"rw", "relatime"},
			},
			{
				Device: "/dev/hugepages",
				Type:   "hugetlbfs",
				Path:   "/mnt/badopt",

	if err != nil {
		return err
	}

	klog.V(3).Infof("pod %v: mounting hugepages for volume %v", ed.pod.UID, ed.volName)
	return ed.mounter.MountSensitiveWithoutSystemd("nodev", dir, "hugetlbfs", []string{pageSizeMountOption}, nil)
}

// getPageSizeMountOption retrieves pageSize mount option from Pod's resources
// and medium and validates pageSize options in all containers of given Pod.

11:name=systemd:/user/1000.user/c1.session
10:hugetlb:/user/1000.user/c1.session
9:perf_event:/user/1000.user/c1.session
8:blkio:/user/1000.user/c1.session
7:freezer:/user/1000.user/c1.session
6:devices:/user/1000.user/c1.session
5:memory:/user/1000.user/c1.session
4:cpuacct:/user/1000.user/c1.session
3:cpu:/user/1000.user/c1.session

	// Check if hugetlb is supported.
	if libcontainercgroups.IsCgroup2UnifiedMode() {
		if !getSupportedUnifiedControllers().Has("hugetlb") {
			klog.V(6).InfoS("Optional subsystem not supported: hugetlb")
			return
		}
	} else if _, ok := m.subsystems.MountPoints["hugetlb"]; !ok {
		klog.V(6).InfoS("Optional subsystem not supported: hugetlb")
		return
	}

		if err != nil {
			klog.InfoS("Failed to reserve QoS requests", "err", err)
		}
	}, periodicQOSCgroupUpdateInterval, wait.NeverStop)

	return nil
}

// setHugePagesUnbounded ensures hugetlb is effectively unbounded
func (m *qosContainerManagerImpl) setHugePagesUnbounded(cgroupConfig *CgroupConfig) error {
	hugePageLimit := map[int64]int64{}
	for _, pageSize := range libcontainercgroups.HugePageSizes() {

- Fix libct/cg/fs2: fixed GetStats for unsupported hugetlb error on Raspbian Bullseye ([#106912](https://github.com/kubernetes/kubernetes/pull/106912), [@Letme](https://github.com/Letme))