cgroup_idr_remove 4982 kernel/cgroup/cgroup.c cgroup_idr_remove(&ss->css_idr, id); cgroup_idr_remove 5054 kernel/cgroup/cgroup.c cgroup_idr_remove(&cgrp->root->cgroup_idr, cgrp->id); cgroup_idr_remove 5335 kernel/cgroup/cgroup.c cgroup_idr_remove(&root->cgroup_idr, cgrp->id);