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); }))			\
2918 	struct cgroup *dsct;  in cgroup_update_dfl_csses()  local
2928 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_update_dfl_csses()
2931 		list_for_each_entry(link, &dsct->cset_links, cset_link)  in cgroup_update_dfl_csses()
2932 			cgroup_migrate_add_src(link->cset, dsct, &mgctx);  in cgroup_update_dfl_csses()
2969 	struct cgroup *dsct;  in cgroup_lock_and_drain_offline()  local
2977 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_lock_and_drain_offline()
2979 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_lock_and_drain_offline()
2985 			cgroup_get_live(dsct);  in cgroup_lock_and_drain_offline()
2986 			prepare_to_wait(&dsct->offline_waitq, &wait,  in cgroup_lock_and_drain_offline()
2991 			finish_wait(&dsct->offline_waitq, &wait);  in cgroup_lock_and_drain_offline()
2993 			cgroup_put(dsct);  in cgroup_lock_and_drain_offline()
3009 	struct cgroup *dsct;  in cgroup_save_control()  local
3012 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_save_control()
3013 		dsct->old_subtree_control = dsct->subtree_control;  in cgroup_save_control()
3014 		dsct->old_subtree_ss_mask = dsct->subtree_ss_mask;  in cgroup_save_control()
3015 		dsct->old_dom_cgrp = dsct->dom_cgrp;  in cgroup_save_control()
3029 	struct cgroup *dsct;  in cgroup_propagate_control()  local
3032 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_propagate_control()
3033 		dsct->subtree_control &= cgroup_control(dsct);  in cgroup_propagate_control()
3034 		dsct->subtree_ss_mask =  in cgroup_propagate_control()
3035 			cgroup_calc_subtree_ss_mask(dsct->subtree_control,  in cgroup_propagate_control()
3036 						    cgroup_ss_mask(dsct));  in cgroup_propagate_control()
3050 	struct cgroup *dsct;  in cgroup_restore_control()  local
3053 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_restore_control()
3054 		dsct->subtree_control = dsct->old_subtree_control;  in cgroup_restore_control()
3055 		dsct->subtree_ss_mask = dsct->old_subtree_ss_mask;  in cgroup_restore_control()
3056 		dsct->dom_cgrp = dsct->old_dom_cgrp;  in cgroup_restore_control()
3087 	struct cgroup *dsct;  in cgroup_apply_control_enable()  local
3092 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_apply_control_enable()
3094 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_enable()
3096 			if (!(cgroup_ss_mask(dsct) & (1 << ss->id)))  in cgroup_apply_control_enable()
3100 				css = css_create(dsct, ss);  in cgroup_apply_control_enable()
3133 	struct cgroup *dsct;  in cgroup_apply_control_disable()  local
3138 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_apply_control_disable()
3140 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_disable()
3148 			    !(cgroup_ss_mask(dsct) & (1 << ss->id))) {  in cgroup_apply_control_disable()
3364 	struct cgroup *dsct;  in cgroup_enable_threaded()  local
3395 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)  in cgroup_enable_threaded()
3396 		if (dsct == cgrp || cgroup_is_threaded(dsct))  in cgroup_enable_threaded()
3397 			dsct->dom_cgrp = dom_cgrp;  in cgroup_enable_threaded()
3747 	struct cgroup *dsct;  in cgroup_kill()  local
3751 	cgroup_for_each_live_descendant_pre(dsct, css, cgrp)  in cgroup_kill()
3752 		__cgroup_kill(dsct);  in cgroup_kill()