266 bool cgroup_ssid_enabled(int ssid)  in cgroup_ssid_enabled()  argument
271 	return static_key_enabled(cgroup_subsys_enabled_key[ssid]);  in cgroup_ssid_enabled()
662 #define for_each_css(css, ssid, cgrp)					\  argument
663 	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++)	\
665 				(cgrp)->subsys[(ssid)],			\
678 #define do_each_subsys_mask(ss, ssid, ss_mask) do {			\  argument
681 		(ssid) = 0;						\
684 	for_each_set_bit(ssid, &__ss_mask, CGROUP_SUBSYS_COUNT) {	\
685 		(ss) = cgroup_subsys[ssid];				\
927 	int ssid;  in put_css_set_locked()  local
937 	for_each_subsys(ss, ssid) {  in put_css_set_locked()
938 		list_del(&cset->e_cset_node[ssid]);  in put_css_set_locked()
939 		css_put(cset->subsys[ssid]);  in put_css_set_locked()
1177 	int ssid;  in find_css_set()  local
1237 	for_each_subsys(ss, ssid) {  in find_css_set()
1238 		struct cgroup_subsys_state *css = cset->subsys[ssid];  in find_css_set()
1240 		list_add_tail(&cset->e_cset_node[ssid],  in find_css_set()
1241 			      &css->cgroup->e_csets[ssid]);  in find_css_set()
1553 	int ssid;  in cgroup_calc_subtree_ss_mask()  local
1562 		do_each_subsys_mask(ss, ssid, cur_ss_mask) {  in cgroup_calc_subtree_ss_mask()
1763 	int ssid, ret;  in rebind_subsystems()  local
1768 	do_each_subsys_mask(ss, ssid, ss_mask) {  in rebind_subsystems()
1787 			dfl_disable_ss_mask |= 1 << ssid;  in rebind_subsystems()
1803 	do_each_subsys_mask(ss, ssid, ss_mask) {  in rebind_subsystems()
1814 			src_root->subsys_mask &= ~(1 << ssid);  in rebind_subsystems()
1820 		RCU_INIT_POINTER(scgrp->subsys[ssid], NULL);  in rebind_subsystems()
1821 		rcu_assign_pointer(dcgrp->subsys[ssid], css);  in rebind_subsystems()
1852 		dst_root->subsys_mask |= 1 << ssid;  in rebind_subsystems()
1854 			static_branch_enable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
1856 			dcgrp->subtree_control |= 1 << ssid;  in rebind_subsystems()
1857 			static_branch_disable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
1990 	int ssid;  in init_cgroup_housekeeping()  local
2005 	for_each_subsys(ss, ssid)  in init_cgroup_housekeeping()
2006 		INIT_LIST_HEAD(&cgrp->e_csets[ssid]);  in init_cgroup_housekeeping()
2485 				*dst_cssp = cset->mg_dst_cset->subsys[tset->ssid];  in cgroup_taskset_next()
2487 				*dst_cssp = cset->subsys[tset->ssid];  in cgroup_taskset_next()
2514 	int ssid, failed_ssid, ret;  in cgroup_migrate_execute()  local
2518 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2520 				tset->ssid = ssid;  in cgroup_migrate_execute()
2523 					failed_ssid = ssid;  in cgroup_migrate_execute()
2565 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2567 				tset->ssid = ssid;  in cgroup_migrate_execute()
2578 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2579 			if (ssid == failed_ssid)  in cgroup_migrate_execute()
2582 				tset->ssid = ssid;  in cgroup_migrate_execute()
2749 		int ssid;  in cgroup_migrate_prepare_dst()  local
2779 		for_each_subsys(ss, ssid)  in cgroup_migrate_prepare_dst()
2780 			if (src_cset->subsys[ssid] != dst_cset->subsys[ssid])  in cgroup_migrate_prepare_dst()
2781 				mgctx->ss_mask |= 1 << ssid;  in cgroup_migrate_prepare_dst()
2927 	int ssid;  in cgroup_procs_write_finish()  local
2934 	for_each_subsys(ss, ssid)  in cgroup_procs_write_finish()
2943 	int ssid;  in cgroup_print_ss_mask()  local
2945 	do_each_subsys_mask(ss, ssid, ss_mask) {  in cgroup_print_ss_mask()
3058 	int ssid;  in cgroup_lock_and_drain_offline()  local
3064 		for_each_subsys(ss, ssid) {  in cgroup_lock_and_drain_offline()
3176 	int ssid, ret;  in cgroup_apply_control_enable()  local
3179 		for_each_subsys(ss, ssid) {  in cgroup_apply_control_enable()
3222 	int ssid;  in cgroup_apply_control_disable()  local
3225 		for_each_subsys(ss, ssid) {  in cgroup_apply_control_disable()
3346 	int ssid, ret;  in cgroup_subtree_control_write()  local
3356 		do_each_subsys_mask(ss, ssid, ~cgrp_dfl_inhibit_ss_mask) {  in cgroup_subtree_control_write()
3357 			if (!cgroup_ssid_enabled(ssid) ||  in cgroup_subtree_control_write()
3362 				enable |= 1 << ssid;  in cgroup_subtree_control_write()
3363 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3365 				disable |= 1 << ssid;  in cgroup_subtree_control_write()
3366 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3372 		if (ssid == CGROUP_SUBSYS_COUNT)  in cgroup_subtree_control_write()
3380 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3381 		if (enable & (1 << ssid)) {  in cgroup_subtree_control_write()
3382 			if (cgrp->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3383 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3387 			if (!(cgroup_control(cgrp) & (1 << ssid))) {  in cgroup_subtree_control_write()
3391 		} else if (disable & (1 << ssid)) {  in cgroup_subtree_control_write()
3392 			if (!(cgrp->subtree_control & (1 << ssid))) {  in cgroup_subtree_control_write()
3393 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3399 				if (child->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3658 static int cgroup_extra_stat_show(struct seq_file *seq, int ssid)  in cgroup_extra_stat_show()  argument
3661 	struct cgroup_subsys *ss = cgroup_subsys[ssid];  in cgroup_extra_stat_show()
3678 				  struct cgroup *cgrp, int ssid)  in cgroup_local_stat_show()  argument
3680 	struct cgroup_subsys *ss = cgroup_subsys[ssid];  in cgroup_local_stat_show()
5886 	int ssid;  in cgroup_destroy_locked()  local
5919 	for_each_css(css, ssid, cgrp)  in cgroup_destroy_locked()
6075 	int ssid;  in cgroup_init()  local
6099 	for_each_subsys(ss, ssid) {  in cgroup_init()
6111 		list_add_tail(&init_css_set.e_cset_node[ssid],  in cgroup_init()
6112 			      &cgrp_dfl_root.cgrp.e_csets[ssid]);  in cgroup_init()
6119 		if (!cgroup_ssid_enabled(ssid))  in cgroup_init()
6122 		if (cgroup1_ssid_disabled(ssid))  in cgroup_init()
6147 			ss->bind(init_css_set.subsys[ssid]);  in cgroup_init()
6150 		css_populate_dir(init_css_set.subsys[ssid]);  in cgroup_init()
6262 		int ssid, count = 0;  in proc_cgroup_show()  local
6269 			for_each_subsys(ss, ssid)  in proc_cgroup_show()
6270 				if (root->subsys_mask & (1 << ssid))  in proc_cgroup_show()
6706 	int ssid;  in cgroup_release()  local
6708 	do_each_subsys_mask(ss, ssid, have_release_callback) {  in cgroup_release()
7028 	int ssid;  in delegate_show()  local
7037 	for_each_subsys(ss, ssid)  in delegate_show()
7040 					      cgroup_subsys_name[ssid]);  in delegate_show()