158 struct cgroup_root cgrp_dfl_root = { .cgrp.rstat_cpu = &cgrp_dfl_root_rstat_cpu };  variable
159 EXPORT_SYMBOL_GPL(cgrp_dfl_root);
296 	return cgrp->root == &cgrp_dfl_root;  in cgroup_on_dfl()
687 	.dfl_cgrp		= &cgrp_dfl_root.cgrp,
1252 	cgroup_lock_and_drain_offline(&cgrp_dfl_root.cgrp);  in cgroup_destroy_root()
1258 	WARN_ON(rebind_subsystems(&cgrp_dfl_root, root->subsys_mask));  in cgroup_destroy_root()
1333 	} else if (root == &cgrp_dfl_root) {  in cset_cgroup_from_root()
1662 		if (ss->root != &cgrp_dfl_root && dst_root != &cgrp_dfl_root)  in rebind_subsystems()
1693 		if (dst_root == &cgrp_dfl_root) {  in rebind_subsystems()
1766 			cgrp_dfl_root.flags |= CGRP_ROOT_NS_DELEGATE;  in apply_cgroup_root_flags()
1768 			cgrp_dfl_root.flags &= ~CGRP_ROOT_NS_DELEGATE;  in apply_cgroup_root_flags()
1774 	if (cgrp_dfl_root.flags & CGRP_ROOT_NS_DELEGATE)  in cgroup_show_options()
1931 	kf_sops = root == &cgrp_dfl_root ?  in cgroup_setup_root()
2065 		cgroup_get_live(&cgrp_dfl_root.cgrp);  in cgroup_mount()
2067 		dentry = cgroup_do_mount(&cgroup2_fs_type, flags, &cgrp_dfl_root,  in cgroup_mount()
2093 	    root == &cgrp_dfl_root)  in cgroup_kill_sb()
4394 	if ((cgrp_dfl_root.flags & CGRP_ROOT_NS_DELEGATE) &&  in cgroup_procs_write_permission()
4420 	src_cgrp = task_cgroup_from_root(task, &cgrp_dfl_root);  in cgroup_procs_write()
4463 	src_cgrp = task_cgroup_from_root(task, &cgrp_dfl_root);  in cgroup_threads_write()
5207 	ss->root = &cgrp_dfl_root;  in cgroup_init_subsys()
5208 	css = ss->css_alloc(cgroup_css(&cgrp_dfl_root.cgrp, ss));  in cgroup_init_subsys()
5211 	init_and_link_css(css, ss, &cgrp_dfl_root.cgrp);  in cgroup_init_subsys()
5260 	init_cgroup_root(&cgrp_dfl_root, &opts);  in cgroup_init_early()
5261 	cgrp_dfl_root.cgrp.self.flags |= CSS_NO_REF;  in cgroup_init_early()
5321 	BUG_ON(cgroup_setup_root(&cgrp_dfl_root, 0, 0));  in cgroup_init()
5338 			      &cgrp_dfl_root.cgrp.e_csets[ssid]);  in cgroup_init()
5356 		cgrp_dfl_root.subsys_mask |= 1 << ss->id;  in cgroup_init()
5418 	kn = kernfs_get_node_by_id(cgrp_dfl_root.kf_root, id);  in cgroup_path_from_kernfs_id()
5450 		if (root == &cgrp_dfl_root && !cgrp_dfl_visible)  in proc_cgroup_show()
5454 		if (root != &cgrp_dfl_root)  in proc_cgroup_show()
5775 	kn = kernfs_walk_and_get(cgrp_dfl_root.cgrp.kn, path);  in cgroup_get_from_path()