237 bool cgroup_ssid_enabled(int ssid)  in cgroup_ssid_enabled()  argument
242 	return static_key_enabled(cgroup_subsys_enabled_key[ssid]);  in cgroup_ssid_enabled()
658 #define for_each_css(css, ssid, cgrp)					\  argument
659 	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++)	\
661 				(cgrp)->subsys[(ssid)],			\
673 #define for_each_e_css(css, ssid, cgrp)					    \  argument
674 	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++)	    \
676 						   cgroup_subsys[(ssid)]))) \
689 #define do_each_subsys_mask(ss, ssid, ss_mask) do {			\  argument
692 		(ssid) = 0;						\
695 	for_each_set_bit(ssid, &__ss_mask, CGROUP_SUBSYS_COUNT) {	\
696 		(ss) = cgroup_subsys[ssid];				\
938 	int ssid;  in put_css_set_locked()  local
948 	for_each_subsys(ss, ssid) {  in put_css_set_locked()
949 		list_del(&cset->e_cset_node[ssid]);  in put_css_set_locked()
950 		css_put(cset->subsys[ssid]);  in put_css_set_locked()
1188 	int ssid;  in find_css_set()  local
1247 	for_each_subsys(ss, ssid) {  in find_css_set()
1248 		struct cgroup_subsys_state *css = cset->subsys[ssid];  in find_css_set()
1250 		list_add_tail(&cset->e_cset_node[ssid],  in find_css_set()
1251 			      &css->cgroup->e_csets[ssid]);  in find_css_set()
1525 	int ssid;  in cgroup_calc_subtree_ss_mask()  local
1534 		do_each_subsys_mask(ss, ssid, cur_ss_mask) {  in cgroup_calc_subtree_ss_mask()
1723 	int ssid, i, ret;  in rebind_subsystems()  local
1727 	do_each_subsys_mask(ss, ssid, ss_mask) {  in rebind_subsystems()
1742 	do_each_subsys_mask(ss, ssid, ss_mask) {  in rebind_subsystems()
1751 		src_root->subsys_mask &= ~(1 << ssid);  in rebind_subsystems()
1756 		RCU_INIT_POINTER(scgrp->subsys[ssid], NULL);  in rebind_subsystems()
1757 		rcu_assign_pointer(dcgrp->subsys[ssid], css);  in rebind_subsystems()
1768 		dst_root->subsys_mask |= 1 << ssid;  in rebind_subsystems()
1770 			static_branch_enable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
1772 			dcgrp->subtree_control |= 1 << ssid;  in rebind_subsystems()
1773 			static_branch_disable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
1948 	int ssid;  in init_cgroup_housekeeping()  local
1963 	for_each_subsys(ss, ssid)  in init_cgroup_housekeeping()
1964 		INIT_LIST_HEAD(&cgrp->e_csets[ssid]);  in init_cgroup_housekeeping()
2442 				*dst_cssp = cset->mg_dst_cset->subsys[tset->ssid];  in cgroup_taskset_next()
2444 				*dst_cssp = cset->subsys[tset->ssid];  in cgroup_taskset_next()
2471 	int ssid, failed_ssid, ret;  in cgroup_migrate_execute()  local
2475 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2477 				tset->ssid = ssid;  in cgroup_migrate_execute()
2480 					failed_ssid = ssid;  in cgroup_migrate_execute()
2522 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2524 				tset->ssid = ssid;  in cgroup_migrate_execute()
2535 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2536 			if (ssid == failed_ssid)  in cgroup_migrate_execute()
2539 				tset->ssid = ssid;  in cgroup_migrate_execute()
2704 		int ssid;  in cgroup_migrate_prepare_dst()  local
2734 		for_each_subsys(ss, ssid)  in cgroup_migrate_prepare_dst()
2735 			if (src_cset->subsys[ssid] != dst_cset->subsys[ssid])  in cgroup_migrate_prepare_dst()
2736 				mgctx->ss_mask |= 1 << ssid;  in cgroup_migrate_prepare_dst()
2878 	int ssid;  in cgroup_procs_write_finish()  local
2884 	for_each_subsys(ss, ssid)  in cgroup_procs_write_finish()
2893 	int ssid;  in cgroup_print_ss_mask()  local
2895 	do_each_subsys_mask(ss, ssid, ss_mask) {  in cgroup_print_ss_mask()
2990 	int ssid;  in cgroup_lock_and_drain_offline()  local
2996 		for_each_subsys(ss, ssid) {  in cgroup_lock_and_drain_offline()
3108 	int ssid, ret;  in cgroup_apply_control_enable()  local
3111 		for_each_subsys(ss, ssid) {  in cgroup_apply_control_enable()
3154 	int ssid;  in cgroup_apply_control_disable()  local
3157 		for_each_subsys(ss, ssid) {  in cgroup_apply_control_disable()
3282 	int ssid, ret;  in cgroup_subtree_control_write()  local
3292 		do_each_subsys_mask(ss, ssid, ~cgrp_dfl_inhibit_ss_mask) {  in cgroup_subtree_control_write()
3293 			if (!cgroup_ssid_enabled(ssid) ||  in cgroup_subtree_control_write()
3298 				enable |= 1 << ssid;  in cgroup_subtree_control_write()
3299 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3301 				disable |= 1 << ssid;  in cgroup_subtree_control_write()
3302 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3308 		if (ssid == CGROUP_SUBSYS_COUNT)  in cgroup_subtree_control_write()
3316 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3317 		if (enable & (1 << ssid)) {  in cgroup_subtree_control_write()
3318 			if (cgrp->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3319 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3323 			if (!(cgroup_control(cgrp) & (1 << ssid))) {  in cgroup_subtree_control_write()
3327 		} else if (disable & (1 << ssid)) {  in cgroup_subtree_control_write()
3328 			if (!(cgrp->subtree_control & (1 << ssid))) {  in cgroup_subtree_control_write()
3329 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3335 				if (child->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3571 						 struct cgroup *cgrp, int ssid)  in cgroup_extra_stat_show()  argument
3573 	struct cgroup_subsys *ss = cgroup_subsys[ssid];  in cgroup_extra_stat_show()
5528 	int ssid;  in cgroup_destroy_locked()  local
5561 	for_each_css(css, ssid, cgrp)  in cgroup_destroy_locked()
5719 	int ssid;  in cgroup_init()  local
5748 	for_each_subsys(ss, ssid) {  in cgroup_init()
5760 		list_add_tail(&init_css_set.e_cset_node[ssid],  in cgroup_init()
5761 			      &cgrp_dfl_root.cgrp.e_csets[ssid]);  in cgroup_init()
5768 		if (cgroup_disable_mask & (1 << ssid)) {  in cgroup_init()
5769 			static_branch_disable(cgroup_subsys_enabled_key[ssid]);  in cgroup_init()
5775 		if (cgroup1_ssid_disabled(ssid))  in cgroup_init()
5800 			ss->bind(init_css_set.subsys[ssid]);  in cgroup_init()
5803 		css_populate_dir(init_css_set.subsys[ssid]);  in cgroup_init()
5874 		int ssid, count = 0;  in proc_cgroup_show()  local
5881 			for_each_subsys(ss, ssid)  in proc_cgroup_show()
5882 				if (root->subsys_mask & (1 << ssid))  in proc_cgroup_show()
6126 	int ssid;  in cgroup_release()  local
6128 	do_each_subsys_mask(ss, ssid, have_release_callback) {  in cgroup_release()
6470 	int ssid;  in delegate_show()  local
6476 	for_each_subsys(ss, ssid)  in delegate_show()
6479 					      cgroup_subsys_name[ssid]);  in delegate_show()