713 #define cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)		\  argument
716 		       (dsct) = (d_css)->cgroup;			\
717 		       cgroup_is_dead(dsct); }))			\
722 #define cgroup_for_each_live_descendant_post(dsct, d_css, cgrp)		\  argument
725 		       (dsct) = (d_css)->cgroup;			\
726 		       cgroup_is_dead(dsct); }))			\
2936 	struct cgroup *dsct;  in cgroup_update_dfl_csses()  local
2946 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_update_dfl_csses()
2949 		list_for_each_entry(link, &dsct->cset_links, cset_link)  in cgroup_update_dfl_csses()
2950 			cgroup_migrate_add_src(link->cset, dsct, &mgctx);  in cgroup_update_dfl_csses()
2987 	struct cgroup *dsct;  in cgroup_lock_and_drain_offline()  local
2995 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_lock_and_drain_offline()
2997 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_lock_and_drain_offline()
3003 			cgroup_get_live(dsct);  in cgroup_lock_and_drain_offline()
3004 			prepare_to_wait(&dsct->offline_waitq, &wait,  in cgroup_lock_and_drain_offline()
3009 			finish_wait(&dsct->offline_waitq, &wait);  in cgroup_lock_and_drain_offline()
3011 			cgroup_put(dsct);  in cgroup_lock_and_drain_offline()
3027 	struct cgroup *dsct;  in cgroup_save_control()  local
3030 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_save_control()
3031 		dsct->old_subtree_control = dsct->subtree_control;  in cgroup_save_control()
3032 		dsct->old_subtree_ss_mask = dsct->subtree_ss_mask;  in cgroup_save_control()
3033 		dsct->old_dom_cgrp = dsct->dom_cgrp;  in cgroup_save_control()
3047 	struct cgroup *dsct;  in cgroup_propagate_control()  local
3050 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_propagate_control()
3051 		dsct->subtree_control &= cgroup_control(dsct);  in cgroup_propagate_control()
3052 		dsct->subtree_ss_mask =  in cgroup_propagate_control()
3053 			cgroup_calc_subtree_ss_mask(dsct->subtree_control,  in cgroup_propagate_control()
3054 						    cgroup_ss_mask(dsct));  in cgroup_propagate_control()
3068 	struct cgroup *dsct;  in cgroup_restore_control()  local
3071 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_restore_control()
3072 		dsct->subtree_control = dsct->old_subtree_control;  in cgroup_restore_control()
3073 		dsct->subtree_ss_mask = dsct->old_subtree_ss_mask;  in cgroup_restore_control()
3074 		dsct->dom_cgrp = dsct->old_dom_cgrp;  in cgroup_restore_control()
3105 	struct cgroup *dsct;  in cgroup_apply_control_enable()  local
3110 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_apply_control_enable()
3112 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_enable()
3116 			if (!(cgroup_ss_mask(dsct) & (1 << ss->id)))  in cgroup_apply_control_enable()
3120 				css = css_create(dsct, ss);  in cgroup_apply_control_enable()
3151 	struct cgroup *dsct;  in cgroup_apply_control_disable()  local
3156 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_apply_control_disable()
3158 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_disable()
3166 			    !(cgroup_ss_mask(dsct) & (1 << ss->id))) {  in cgroup_apply_control_disable()
3382 	struct cgroup *dsct;  in cgroup_enable_threaded()  local
3413 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)  in cgroup_enable_threaded()
3414 		if (dsct == cgrp || cgroup_is_threaded(dsct))  in cgroup_enable_threaded()
3415 			dsct->dom_cgrp = dom_cgrp;  in cgroup_enable_threaded()