return err
	}

	// update the qos level cgrougs v2 settings of memory qos if feature enabled
	if utilfeature.DefaultFeatureGate.Enabled(kubefeatures.MemoryQoS) &&
		libcontainercgroups.IsCgroup2UnifiedMode() {
		m.setMemoryQoS(qosConfigs)
	}

	if utilfeature.DefaultFeatureGate.Enabled(kubefeatures.QOSReserved) {
		for resource, percentReserve := range m.qosReserved {
			switch resource {

	if err := options.ValidateKubeletServer(s); err != nil {
		return err
	}

	// Warn if MemoryQoS enabled with cgroups v1
	if utilfeature.DefaultFeatureGate.Enabled(features.MemoryQoS) &&
		!isCgroup2UnifiedMode() {
		klog.InfoS("Warning: MemoryQoS feature only works with cgroups v2 on Linux, but enabled with cgroups v1")
	}
	// Obtain Kubelet Lock File
	if s.ExitOnLockContention && s.LockFilePath == "" {