cgroup_roots 152 kernel/cgroup/cgroup-internal.h extern struct list_head cgroup_roots; cgroup_roots 157 kernel/cgroup/cgroup-internal.h list_for_each_entry((root), &cgroup_roots, root_list) cgroup_roots 180 kernel/cgroup/cgroup.c LIST_HEAD(cgroup_roots); cgroup_roots 2057 kernel/cgroup/cgroup.c list_add(&root->root_list, &cgroup_roots);