Merge pull request kubernetes#123749 from iholder101/swap_log/only_once_avoid_spam

[KEP2400] Avoid logging that swap cgroup controller is missing for every container

Author: k8s-ci-robot

pkg/kubelet/kuberuntime/kuberuntime_container_linux.go

@@ -164,9 +164,9 @@ func (m *kubeGenericRuntimeManager) generateLinuxContainerResources(pod *v1.Pod,
 // Swap is only configured if a swap cgroup controller is available and the NodeSwap feature gate is enabled.
 func (m *kubeGenericRuntimeManager) configureContainerSwapResources(lcr *runtimeapi.LinuxContainerResources, pod *v1.Pod, container *v1.Container) {
 	if !swapControllerAvailable() {
-		klog.InfoS("No swap cgroup controller present", "swapBehavior", m.memorySwapBehavior, "pod", klog.KObj(pod), "containerName", container.Name)
 		return
 	}
+
 	swapConfigurationHelper := newSwapConfigurationHelper(*m.machineInfo)
 	if m.memorySwapBehavior == kubelettypes.LimitedSwap {
 		if !isCgroup2UnifiedMode() {