pod:      getTestPod(nil, nil, ""),
			expected: false,
		},
	}
	for _, test := range tests {
		t.Run(test.name, func(t *testing.T) {
			isNodeCriticalPod := IsNodeCriticalPod(test.pod)
			require.Equal(t, test.expected, isNodeCriticalPod)
		})
	}

func IsCriticalPodBasedOnPriority(priority int32) bool {
	return priority >= scheduling.SystemCriticalPriority
}

// IsNodeCriticalPod checks if the given pod is a system-node-critical
func IsNodeCriticalPod(pod *v1.Pod) bool {
	return IsCriticalPod(pod) && (pod.Spec.PriorityClassName == scheduling.SystemNodeCritical)
}

// See https://lwn.net/Articles/391222/ for more information.
func GetContainerOOMScoreAdjust(pod *v1.Pod, container *v1.Container, memoryCapacity int64) int {
	if types.IsNodeCriticalPod(pod) {
		// Only node critical pod should be the last to get killed.
		return guaranteedOOMScoreAdj
	}

	switch v1qos.GetPodQOS(pod) {
	case v1.PodQOSGuaranteed: