cgroup_hierarchy_idr 184 kernel/cgroup/cgroup.c static DEFINE_IDR(cgroup_hierarchy_idr); cgroup_hierarchy_idr 1295 kernel/cgroup/cgroup.c id = idr_alloc_cyclic(&cgroup_hierarchy_idr, root, 0, 0, GFP_KERNEL); cgroup_hierarchy_idr 1307 kernel/cgroup/cgroup.c idr_remove(&cgroup_hierarchy_idr, root->hierarchy_id); cgroup_hierarchy_idr 2338 kernel/cgroup/cgroup.c root = idr_get_next(&cgroup_hierarchy_idr, &hierarchy_id);