From f799518af578c80f39ddadcbbca50af76b7db44d Mon Sep 17 00:00:00 2001
From: Avesh Agarwal <avagarwa@redhat.com>
Date: Tue, 29 Aug 2017 17:33:40 -0400
Subject: [PATCH] Add check for critical pods in lownodeutilization to avoid
 eviction.

---
 pkg/rescheduler/strategies/lownodeutilization.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pkg/rescheduler/strategies/lownodeutilization.go b/pkg/rescheduler/strategies/lownodeutilization.go
index 3d3b43479..d597ea6bc 100644
--- a/pkg/rescheduler/strategies/lownodeutilization.go
+++ b/pkg/rescheduler/strategies/lownodeutilization.go
@@ -224,7 +224,7 @@ func NodeUtilization(node *v1.Node, pods []*v1.Pod) (api.ResourceThresholds, []*
 			sr = nil
 		}
 
-		if podutil.IsMirrorPod(pod) || podutil.IsPodWithLocalStorage(pod) || sr == nil || podutil.IsDaemonsetPod(sr) {
+		if podutil.IsMirrorPod(pod) || podutil.IsPodWithLocalStorage(pod) || sr == nil || podutil.IsDaemonsetPod(sr) || podutil.IsCriticalPod(pod) {
 			nonRemovablePods = append(nonRemovablePods, pod)
 			if podutil.IsBestEffortPod(pod) {
 				continue