kubernetes/vendor/github.com/opencontainers/runc/libcontainer/cgroups/fs2/create.go

func supportedControllers() (string, error) { … }

// needAnyControllers returns whether we enable some supported controllers or not,
// based on (1) controllers available and (2) resources that are being set.
// We don't check "pseudo" controllers such as
// "freezer" and "devices".
func needAnyControllers(r *configs.Resources) (bool, error) { … }

// containsDomainController returns whether the current config contains domain controller or not.
// Refer to: http://man7.org/linux/man-pages/man7/cgroups.7.html
// As at Linux 4.19, the following controllers are threaded: cpu, perf_event, and pids.
func containsDomainController(r *configs.Resources) bool { … }

// CreateCgroupPath creates cgroupv2 path, enabling all the supported controllers.
func CreateCgroupPath(path string, c *configs.Cgroup) (Err error) { … }