diff --git a/sysinfo/sysinfo.go b/sysinfo/sysinfo.go index b6087ff..e679aab 100644 --- a/sysinfo/sysinfo.go +++ b/sysinfo/sysinfo.go @@ -18,6 +18,7 @@ type SysInfo struct { CpuCfsQuota bool IPv4ForwardingDisabled bool AppArmor bool + OomKillDisable bool } // New returns a new SysInfo, using the filesystem to detect which features the kernel supports. @@ -36,6 +37,12 @@ func New(quiet bool) *SysInfo { if !sysInfo.SwapLimit && !quiet { logrus.Warn("Your kernel does not support swap memory limit.") } + + _, err = ioutil.ReadFile(path.Join(cgroupMemoryMountpoint, "memory.oom_control")) + sysInfo.OomKillDisable = err == nil + if !sysInfo.OomKillDisable && !quiet { + logrus.Warnf("Your kernel does not support oom control.") + } } if cgroupCpuMountpoint, err := cgroups.FindCgroupMountpoint("cpu"); err != nil {