756 #define cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)		\  argument
759 		       (dsct) = (d_css)->cgroup;			\
760 		       cgroup_is_dead(dsct); }))			\
765 #define cgroup_for_each_live_descendant_post(dsct, d_css, cgrp)		\  argument
768 		       (dsct) = (d_css)->cgroup;			\
769 		       cgroup_is_dead(dsct); }))			\
3184 	struct cgroup *dsct;  in cgroup_update_dfl_csses()  local
3194 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_update_dfl_csses()
3203 		if (dsct == cgrp)  in cgroup_update_dfl_csses()
3206 		list_for_each_entry(link, &dsct->cset_links, cset_link)  in cgroup_update_dfl_csses()
3207 			cgroup_migrate_add_src(link->cset, dsct, &mgctx);  in cgroup_update_dfl_csses()
3260 	struct cgroup *dsct;  in cgroup_lock_and_drain_offline()  local
3268 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_lock_and_drain_offline()
3270 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_lock_and_drain_offline()
3276 			cgroup_get_live(dsct);  in cgroup_lock_and_drain_offline()
3277 			prepare_to_wait(&dsct->offline_waitq, &wait,  in cgroup_lock_and_drain_offline()
3282 			finish_wait(&dsct->offline_waitq, &wait);  in cgroup_lock_and_drain_offline()
3284 			cgroup_put(dsct);  in cgroup_lock_and_drain_offline()
3300 	struct cgroup *dsct;  in cgroup_save_control()  local
3303 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_save_control()
3304 		dsct->old_subtree_control = dsct->subtree_control;  in cgroup_save_control()
3305 		dsct->old_subtree_ss_mask = dsct->subtree_ss_mask;  in cgroup_save_control()
3306 		dsct->old_dom_cgrp = dsct->dom_cgrp;  in cgroup_save_control()
3320 	struct cgroup *dsct;  in cgroup_propagate_control()  local
3323 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_propagate_control()
3324 		dsct->subtree_control &= cgroup_control(dsct);  in cgroup_propagate_control()
3325 		dsct->subtree_ss_mask =  in cgroup_propagate_control()
3326 			cgroup_calc_subtree_ss_mask(dsct->subtree_control,  in cgroup_propagate_control()
3327 						    cgroup_ss_mask(dsct));  in cgroup_propagate_control()
3341 	struct cgroup *dsct;  in cgroup_restore_control()  local
3344 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_restore_control()
3345 		dsct->subtree_control = dsct->old_subtree_control;  in cgroup_restore_control()
3346 		dsct->subtree_ss_mask = dsct->old_subtree_ss_mask;  in cgroup_restore_control()
3347 		dsct->dom_cgrp = dsct->old_dom_cgrp;  in cgroup_restore_control()
3378 	struct cgroup *dsct;  in cgroup_apply_control_enable()  local
3383 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp) {  in cgroup_apply_control_enable()
3385 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_enable()
3387 			if (!(cgroup_ss_mask(dsct) & (1 << ss->id)))  in cgroup_apply_control_enable()
3391 				css = css_create(dsct, ss);  in cgroup_apply_control_enable()
3424 	struct cgroup *dsct;  in cgroup_apply_control_disable()  local
3429 	cgroup_for_each_live_descendant_post(dsct, d_css, cgrp) {  in cgroup_apply_control_disable()
3431 			struct cgroup_subsys_state *css = cgroup_css(dsct, ss);  in cgroup_apply_control_disable()
3439 			    !(cgroup_ss_mask(dsct) & (1 << ss->id))) {  in cgroup_apply_control_disable()
3651 	struct cgroup *dsct;  in cgroup_enable_threaded()  local
3682 	cgroup_for_each_live_descendant_pre(dsct, d_css, cgrp)  in cgroup_enable_threaded()
3683 		if (dsct == cgrp || cgroup_is_threaded(dsct))  in cgroup_enable_threaded()
3684 			dsct->dom_cgrp = dom_cgrp;  in cgroup_enable_threaded()
4210 	struct cgroup *dsct;  in cgroup_kill()  local
4214 	cgroup_for_each_live_descendant_pre(dsct, css, cgrp)  in cgroup_kill()
4215 		__cgroup_kill(dsct);  in cgroup_kill()