ns_cgroup 1795 kernel/cgroup/cgroup.c struct cgroup *ns_cgroup; ns_cgroup 1802 kernel/cgroup/cgroup.c ns_cgroup = current_cgns_cgroup_from_root(kf_cgroot); ns_cgroup 1803 kernel/cgroup/cgroup.c len = kernfs_path_from_node(kf_node, ns_cgroup->kn, buf, PATH_MAX);