702 #define cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)		\  argument
705 		       (dsct) = (d_css)->cgroup;			\
706 		       cgroup_is_dead(dsct); }))			\
711 #define cgroup_for_each_live_descendant_post(dsct, d_css, cgrp)		\  argument
714 		       (dsct) = (d_css)->cgroup;			\
715 		       cgroup_is_dead(dsct); }))			\
2986 	struct cgroup *dsct;  in cgroup_update_dfl_csses()  local
2995 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_update_dfl_csses()
3004 		if (dsct == cgrp)  in cgroup_update_dfl_csses()
3007 		list_for_each_entry(link, &dsct->cset_links, cset_link)  in cgroup_update_dfl_csses()
3008 			cgroup_migrate_add_src(link->cset, dsct, &mgctx);  in cgroup_update_dfl_csses()
3055 	struct cgroup *dsct;  in cgroup_lock_and_drain_offline()  local
3063 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_lock_and_drain_offline()
3065 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_lock_and_drain_offline()
3071 			cgroup_get_live(dsct);  in cgroup_lock_and_drain_offline()
3072 			prepare_to_wait(&dsct->offline_waitq, &wait,  in cgroup_lock_and_drain_offline()
3077 			finish_wait(&dsct->offline_waitq, &wait);  in cgroup_lock_and_drain_offline()
3079 			cgroup_put(dsct);  in cgroup_lock_and_drain_offline()
3095 	struct cgroup *dsct;  in cgroup_save_control()  local
3098 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_save_control()
3099 		dsct->old_subtree_control = dsct->subtree_control;  in cgroup_save_control()
3100 		dsct->old_subtree_ss_mask = dsct->subtree_ss_mask;  in cgroup_save_control()
3101 		dsct->old_dom_cgrp = dsct->dom_cgrp;  in cgroup_save_control()
3115 	struct cgroup *dsct;  in cgroup_propagate_control()  local
3118 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_propagate_control()
3119 		dsct->subtree_control &= cgroup_control(dsct);  in cgroup_propagate_control()
3120 		dsct->subtree_ss_mask =  in cgroup_propagate_control()
3121 			cgroup_calc_subtree_ss_mask(dsct->subtree_control,  in cgroup_propagate_control()
3122 						    cgroup_ss_mask(dsct));  in cgroup_propagate_control()
3136 	struct cgroup *dsct;  in cgroup_restore_control()  local
3139 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_restore_control()
3140 		dsct->subtree_control = dsct->old_subtree_control;  in cgroup_restore_control()
3141 		dsct->subtree_ss_mask = dsct->old_subtree_ss_mask;  in cgroup_restore_control()
3142 		dsct->dom_cgrp = dsct->old_dom_cgrp;  in cgroup_restore_control()
3173 	struct cgroup *dsct;  in cgroup_apply_control_enable()  local
3178 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_apply_control_enable()
3180 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_enable()
3182 			if (!(cgroup_ss_mask(dsct) & (1 << ss->id)))  in cgroup_apply_control_enable()
3186 				css = css_create(dsct, ss);  in cgroup_apply_control_enable()
3219 	struct cgroup *dsct;  in cgroup_apply_control_disable()  local
3224 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_apply_control_disable()
3226 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_disable()
3234 			    !(cgroup_ss_mask(dsct) & (1 << ss->id))) {  in cgroup_apply_control_disable()
3446 	struct cgroup *dsct;  in cgroup_enable_threaded()  local
3477 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)  in cgroup_enable_threaded()
3478 		if (dsct == cgrp || cgroup_is_threaded(dsct))  in cgroup_enable_threaded()
3479 			dsct->dom_cgrp = dom_cgrp;  in cgroup_enable_threaded()
3968 	struct cgroup *dsct;  in cgroup_kill()  local
3972 	cgroup_for_each_live_descendant_pre(dsct, css, cgrp)  in cgroup_kill()
3973 		__cgroup_kill(dsct);  in cgroup_kill()