nodeOnlyHasMemoryPressureCondition := hasNodeCondition(m.nodeConditions, v1.NodeMemoryPressure) && len(m.nodeConditions) == 1
	if nodeOnlyHasMemoryPressureCondition {
		notBestEffort := v1.PodQOSBestEffort != v1qos.GetPodQOS(attrs.Pod)
		if notBestEffort {
			return lifecycle.PodAdmitResult{Admit: true}
		}

		// When node has memory pressure, check BestEffort Pod's toleration:

				{ScopeName: corev1.ResourceQuotaScopeBestEffort},
				{ScopeName: corev1.ResourceQuotaScopePriorityClass, Operator: corev1.ScopeSelectorOpIn, Values: []string{"class1"}},
			},
		},
		"NotBestEffort": {
			pod: &api.Pod{
				Spec: api.PodSpec{
					Containers: []api.Container{{
						Resources: api.ResourceRequirements{
							Requests: api.ResourceList{

	ResourceQuotaScopeBestEffort ResourceQuotaScope = "BestEffort"
	// Match all pod objects that do not have best effort quality of service
	ResourceQuotaScopeNotBestEffort ResourceQuotaScope = "NotBestEffort"
	// Match all pod objects that have priority class mentioned
	ResourceQuotaScopePriorityClass ResourceQuotaScope = "PriorityClass"
	// Match all pod objects that have cross-namespace pod (anti)affinity mentioned

	ResourceQuotaScopeBestEffort ResourceQuotaScope = "BestEffort"
	// Match all pod objects that do not have best effort quality of service
	ResourceQuotaScopeNotBestEffort ResourceQuotaScope = "NotBestEffort"
	// Match all pod objects that have priority class mentioned
	ResourceQuotaScopePriorityClass ResourceQuotaScope = "PriorityClass"
	// Match all pod objects that have cross-namespace pod (anti)affinity mentioned.

									SchemaProps: spec.SchemaProps{
										Default: "",
										Type:    []string{"string"},
										Format:  "",
										Enum:    []interface{}{"BestEffort", "CrossNamespacePodAffinity", "NotBestEffort", "NotTerminating", "PriorityClass", "Terminating"},
									},
								},
							},
						},
					},
					"scopeSelector": {
						SchemaProps: spec.SchemaProps{

selector applies to.\n\nPossible enum values:\n - `\"BestEffort\"` Match all pod objects that have best effort quality of service\n - `\"CrossNamespacePodAffinity\"` Match all pod objects that have cross-namespace pod (anti)affinity mentioned.\n - `\"NotBestEffort\"` Match all pod objects that do not have best effort quality of service\n - `\"NotTerminating\"` Match all pod objects where spec.activeDeadlineSeconds is nil\n - `\"PriorityClass\"` Match all pod objects that have priority class mentioned\n -...