diff options
Diffstat (limited to 'utils/utils.go')
-rw-r--r-- | utils/utils.go | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/utils/utils.go b/utils/utils.go index 997de150d..7cf28fda5 100644 --- a/utils/utils.go +++ b/utils/utils.go @@ -190,3 +190,23 @@ func MovePauseProcessToScope(pausePidPath string) { } } } + +// MaybeMoveToSubCgroup moves the current process in a sub cgroup when +// it is running in the root cgroup on a system that uses cgroupv2. +func MaybeMoveToSubCgroup() error { + unifiedMode, err := cgroups.IsCgroup2UnifiedMode() + if err != nil { + return err + } + if !unifiedMode { + return nil + } + cgroup, err := GetOwnCgroup() + if err != nil { + return err + } + if cgroup == "/" { + return MoveUnderCgroupSubtree("init") + } + return nil +} |