remove eviction-manager start return err

pkg/kubelet/eviction/eviction_manager.go

@@ -125,10 +125,9 @@ func (m *managerImpl) Admit(attrs *lifecycle.PodAdmitAttributes) lifecycle.PodAd
 }
 
 // Start starts the control loop to observe and response to low compute resources.
-func (m *managerImpl) Start(diskInfoProvider DiskInfoProvider, podFunc ActivePodsFunc, monitoringInterval time.Duration) error {
+func (m *managerImpl) Start(diskInfoProvider DiskInfoProvider, podFunc ActivePodsFunc, monitoringInterval time.Duration) {
 	// start the eviction manager monitoring
 	go wait.Until(func() { m.synchronize(diskInfoProvider, podFunc) }, monitoringInterval, wait.NeverStop)
-	return nil
 }
 
 // IsUnderMemoryPressure returns true if the node is under memory pressure.

pkg/kubelet/eviction/types.go

@@ -100,7 +100,7 @@ type Threshold struct {
 // Manager evaluates when an eviction threshold for node stability has been met on the node.
 type Manager interface {
 	// Start starts the control loop to monitor eviction thresholds at specified interval.
-	Start(diskInfoProvider DiskInfoProvider, podFunc ActivePodsFunc, monitoringInterval time.Duration) error
+	Start(diskInfoProvider DiskInfoProvider, podFunc ActivePodsFunc, monitoringInterval time.Duration)
 
 	// IsUnderMemoryPressure returns true if the node is under memory pressure.
 	IsUnderMemoryPressure() bool

pkg/kubelet/kubelet.go

@@ -1206,9 +1206,7 @@ func (kl *Kubelet) initializeRuntimeDependentModules() {
 		glog.Fatalf("Failed to start cAdvisor %v", err)
 	}
 	// eviction manager must start after cadvisor because it needs to know if the container runtime has a dedicated imagefs
-	if err := kl.evictionManager.Start(kl, kl.getActivePods, evictionMonitoringPeriod); err != nil {
-		kl.runtimeState.setInternalError(fmt.Errorf("failed to start eviction manager %v", err))
-	}
+	kl.evictionManager.Start(kl, kl.getActivePods, evictionMonitoringPeriod)
 }
 
 // Run starts the kubelet reacting to config updates