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Merge pull request #93012 from giuseppe/no-hugetlb-cgroupv2

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kubelet, cgroupv2: make hugetlb optional
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Kubernetes Prow Robot 2020-07-13 20:21:20 -07:00 committed by GitHub
commit 209dbdfcc3
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1 changed files with 8 additions and 0 deletions
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8
pkg/kubelet/cm/cgroup_manager_linux.go
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@ -497,6 +497,14 @@ func setResourcesV2(cgroupConfig *libcontainerconfigs.Cgroup) error {
}
cgroupConfig.Resources.SkipDevices = true
// if the hugetlb controller is missing
supportedControllers := getSupportedUnifiedControllers()
if !supportedControllers.Has("hugetlb") {
cgroupConfig.Resources.HugetlbLimit = nil
// the cgroup is not present, but its not required so skip it
klog.V(6).Infof("Optional subsystem not supported: hugetlb")
}
manager, err := cgroupfs2.NewManager(cgroupConfig, cgroupConfig.Path, false)
if err != nil {
return fmt.Errorf("failed to create cgroup v2 manager: %v", err)