734 #define cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)		\  argument
737 		       (dsct) = (d_css)->cgroup;			\
738 		       cgroup_is_dead(dsct); }))			\
743 #define cgroup_for_each_live_descendant_post(dsct, d_css, cgrp)		\  argument
746 		       (dsct) = (d_css)->cgroup;			\
747 		       cgroup_is_dead(dsct); }))			\
3035 	struct cgroup *dsct;  in cgroup_update_dfl_csses()  local
3044 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_update_dfl_csses()
3053 		if (dsct == cgrp)  in cgroup_update_dfl_csses()
3056 		list_for_each_entry(link, &dsct->cset_links, cset_link)  in cgroup_update_dfl_csses()
3057 			cgroup_migrate_add_src(link->cset, dsct, &mgctx);  in cgroup_update_dfl_csses()
3104 	struct cgroup *dsct;  in cgroup_lock_and_drain_offline()  local
3112 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_lock_and_drain_offline()
3114 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_lock_and_drain_offline()
3120 			cgroup_get_live(dsct);  in cgroup_lock_and_drain_offline()
3121 			prepare_to_wait(&dsct->offline_waitq, &wait,  in cgroup_lock_and_drain_offline()
3126 			finish_wait(&dsct->offline_waitq, &wait);  in cgroup_lock_and_drain_offline()
3128 			cgroup_put(dsct);  in cgroup_lock_and_drain_offline()
3144 	struct cgroup *dsct;  in cgroup_save_control()  local
3147 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_save_control()
3148 		dsct->old_subtree_control = dsct->subtree_control;  in cgroup_save_control()
3149 		dsct->old_subtree_ss_mask = dsct->subtree_ss_mask;  in cgroup_save_control()
3150 		dsct->old_dom_cgrp = dsct->dom_cgrp;  in cgroup_save_control()
3164 	struct cgroup *dsct;  in cgroup_propagate_control()  local
3167 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_propagate_control()
3168 		dsct->subtree_control &= cgroup_control(dsct);  in cgroup_propagate_control()
3169 		dsct->subtree_ss_mask =  in cgroup_propagate_control()
3170 			cgroup_calc_subtree_ss_mask(dsct->subtree_control,  in cgroup_propagate_control()
3171 						    cgroup_ss_mask(dsct));  in cgroup_propagate_control()
3185 	struct cgroup *dsct;  in cgroup_restore_control()  local
3188 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_restore_control()
3189 		dsct->subtree_control = dsct->old_subtree_control;  in cgroup_restore_control()
3190 		dsct->subtree_ss_mask = dsct->old_subtree_ss_mask;  in cgroup_restore_control()
3191 		dsct->dom_cgrp = dsct->old_dom_cgrp;  in cgroup_restore_control()
3222 	struct cgroup *dsct;  in cgroup_apply_control_enable()  local
3227 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_apply_control_enable()
3229 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_enable()
3231 			if (!(cgroup_ss_mask(dsct) & (1 << ss->id)))  in cgroup_apply_control_enable()
3235 				css = css_create(dsct, ss);  in cgroup_apply_control_enable()
3268 	struct cgroup *dsct;  in cgroup_apply_control_disable()  local
3273 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_apply_control_disable()
3275 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_disable()
3283 			    !(cgroup_ss_mask(dsct) & (1 << ss->id))) {  in cgroup_apply_control_disable()
3495 	struct cgroup *dsct;  in cgroup_enable_threaded()  local
3526 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)  in cgroup_enable_threaded()
3527 		if (dsct == cgrp || cgroup_is_threaded(dsct))  in cgroup_enable_threaded()
3528 			dsct->dom_cgrp = dom_cgrp;  in cgroup_enable_threaded()
3956 	struct cgroup *dsct;  in cgroup_kill()  local
3960 	cgroup_for_each_live_descendant_pre(dsct, css, cgrp)  in cgroup_kill()
3961 		__cgroup_kill(dsct);  in cgroup_kill()