307 bool cgroup_ssid_enabled(int ssid)  in cgroup_ssid_enabled()  argument
312 	return static_key_enabled(cgroup_subsys_enabled_key[ssid]);  in cgroup_ssid_enabled()
716 #define for_each_css(css, ssid, cgrp)					\  argument
717 	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++)	\
719 				(cgrp)->subsys[(ssid)],			\
732 #define do_each_subsys_mask(ss, ssid, ss_mask) do {			\  argument
735 		(ssid) = 0;						\
738 	for_each_set_bit(ssid, &__ss_mask, CGROUP_SUBSYS_COUNT) {	\
739 		(ss) = cgroup_subsys[ssid];				\
982 	int ssid;  in put_css_set_locked()  local
992 	for_each_subsys(ss, ssid) {  in put_css_set_locked()
993 		list_del(&cset->e_cset_node[ssid]);  in put_css_set_locked()
994 		css_put(cset->subsys[ssid]);  in put_css_set_locked()
1232 	int ssid;  in find_css_set()  local
1292 	for_each_subsys(ss, ssid) {  in find_css_set()
1293 		struct cgroup_subsys_state *css = cset->subsys[ssid];  in find_css_set()
1295 		list_add_tail(&cset->e_cset_node[ssid],  in find_css_set()
1296 			      &css->cgroup->e_csets[ssid]);  in find_css_set()
1643 	int ssid;  in cgroup_calc_subtree_ss_mask()  local
1652 		do_each_subsys_mask(ss, ssid, cur_ss_mask) {  in cgroup_calc_subtree_ss_mask()
1858 	int ssid, ret;  in rebind_subsystems()  local
1863 	do_each_subsys_mask(ss, ssid, ss_mask) {  in rebind_subsystems()
1882 			dfl_disable_ss_mask |= 1 << ssid;  in rebind_subsystems()
1898 	do_each_subsys_mask(ss, ssid, ss_mask) {  in rebind_subsystems()
1909 			src_root->subsys_mask &= ~(1 << ssid);  in rebind_subsystems()
1915 		RCU_INIT_POINTER(scgrp->subsys[ssid], NULL);  in rebind_subsystems()
1916 		rcu_assign_pointer(dcgrp->subsys[ssid], css);  in rebind_subsystems()
1940 		dst_root->subsys_mask |= 1 << ssid;  in rebind_subsystems()
1942 			static_branch_enable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
1944 			dcgrp->subtree_control |= 1 << ssid;  in rebind_subsystems()
1945 			static_branch_disable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
2109 	int ssid;  in init_cgroup_housekeeping()  local
2123 	for_each_subsys(ss, ssid)  in init_cgroup_housekeeping()
2124 		INIT_LIST_HEAD(&cgrp->e_csets[ssid]);  in init_cgroup_housekeeping()
2671 				*dst_cssp = cset->mg_dst_cset->subsys[tset->ssid];  in cgroup_taskset_next()
2673 				*dst_cssp = cset->subsys[tset->ssid];  in cgroup_taskset_next()
2700 	int ssid, failed_ssid, ret;  in cgroup_migrate_execute()  local
2704 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2706 				tset->ssid = ssid;  in cgroup_migrate_execute()
2709 					failed_ssid = ssid;  in cgroup_migrate_execute()
2751 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2753 				tset->ssid = ssid;  in cgroup_migrate_execute()
2764 		do_each_subsys_mask(ss, ssid, mgctx->ss_mask) {  in cgroup_migrate_execute()
2765 			if (ssid == failed_ssid)  in cgroup_migrate_execute()
2768 				tset->ssid = ssid;  in cgroup_migrate_execute()
2935 		int ssid;  in cgroup_migrate_prepare_dst()  local
2965 		for_each_subsys(ss, ssid)  in cgroup_migrate_prepare_dst()
2966 			if (src_cset->subsys[ssid] != dst_cset->subsys[ssid])  in cgroup_migrate_prepare_dst()
2967 				mgctx->ss_mask |= 1 << ssid;  in cgroup_migrate_prepare_dst()
3141 	int ssid;  in cgroup_print_ss_mask()  local
3143 	do_each_subsys_mask(ss, ssid, ss_mask) {  in cgroup_print_ss_mask()
3263 	int ssid;  in cgroup_lock_and_drain_offline()  local
3269 		for_each_subsys(ss, ssid) {  in cgroup_lock_and_drain_offline()
3381 	int ssid, ret;  in cgroup_apply_control_enable()  local
3384 		for_each_subsys(ss, ssid) {  in cgroup_apply_control_enable()
3427 	int ssid;  in cgroup_apply_control_disable()  local
3430 		for_each_subsys(ss, ssid) {  in cgroup_apply_control_disable()
3551 	int ssid, ret;  in cgroup_subtree_control_write()  local
3561 		do_each_subsys_mask(ss, ssid, ~cgrp_dfl_inhibit_ss_mask) {  in cgroup_subtree_control_write()
3562 			if (!cgroup_ssid_enabled(ssid) ||  in cgroup_subtree_control_write()
3567 				enable |= 1 << ssid;  in cgroup_subtree_control_write()
3568 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3570 				disable |= 1 << ssid;  in cgroup_subtree_control_write()
3571 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3577 		if (ssid == CGROUP_SUBSYS_COUNT)  in cgroup_subtree_control_write()
3585 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3586 		if (enable & (1 << ssid)) {  in cgroup_subtree_control_write()
3587 			if (cgrp->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3588 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3592 			if (!(cgroup_control(cgrp) & (1 << ssid))) {  in cgroup_subtree_control_write()
3596 		} else if (disable & (1 << ssid)) {  in cgroup_subtree_control_write()
3597 			if (!(cgrp->subtree_control & (1 << ssid))) {  in cgroup_subtree_control_write()
3598 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3604 				if (child->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3833 	int ssid;  in cgroup_stat_show()  local
3846 	for (ssid = 0; ssid < CGROUP_SUBSYS_COUNT; ssid++) {  in cgroup_stat_show()
3847 		dying_cnt[ssid] = -1;  in cgroup_stat_show()
3848 		if ((BIT(ssid) & cgrp_dfl_inhibit_ss_mask) ||  in cgroup_stat_show()
3849 		    (cgroup_subsys[ssid]->root !=  &cgrp_dfl_root))  in cgroup_stat_show()
3851 		css = rcu_dereference_raw(cgroup->subsys[ssid]);  in cgroup_stat_show()
3852 		dying_cnt[ssid] = cgroup->nr_dying_subsys[ssid];  in cgroup_stat_show()
3853 		seq_printf(seq, "nr_subsys_%s %d\n", cgroup_subsys[ssid]->name,  in cgroup_stat_show()
3859 	for (ssid = 0; ssid < CGROUP_SUBSYS_COUNT; ssid++) {  in cgroup_stat_show()
3860 		if (dying_cnt[ssid] >= 0)  in cgroup_stat_show()
3862 				   cgroup_subsys[ssid]->name, dying_cnt[ssid]);  in cgroup_stat_show()
3912 static int cgroup_extra_stat_show(struct seq_file *seq, int ssid)  in cgroup_extra_stat_show()  argument
3915 	struct cgroup_subsys *ss = cgroup_subsys[ssid];  in cgroup_extra_stat_show()
3932 				  struct cgroup *cgrp, int ssid)  in cgroup_local_stat_show()  argument
3934 	struct cgroup_subsys *ss = cgroup_subsys[ssid];  in cgroup_local_stat_show()
6155 	int ssid, ret;  in cgroup_destroy_locked()  local
6188 	for_each_css(css, ssid, cgrp)  in cgroup_destroy_locked()
6351 	int ssid;  in cgroup_init()  local
6378 	for_each_subsys(ss, ssid) {  in cgroup_init()
6390 		list_add_tail(&init_css_set.e_cset_node[ssid],  in cgroup_init()
6391 			      &cgrp_dfl_root.cgrp.e_csets[ssid]);  in cgroup_init()
6398 		if (!cgroup_ssid_enabled(ssid))  in cgroup_init()
6401 		if (cgroup1_ssid_disabled(ssid))  in cgroup_init()
6426 			ss->bind(init_css_set.subsys[ssid]);  in cgroup_init()
6429 		css_populate_dir(init_css_set.subsys[ssid]);  in cgroup_init()
6564 		int ssid, count = 0;  in proc_cgroup_show()  local
6576 			for_each_subsys(ss, ssid)  in proc_cgroup_show()
6577 				if (root->subsys_mask & (1 << ssid))  in proc_cgroup_show()
7072 	int ssid;  in cgroup_task_release()  local
7074 	do_each_subsys_mask(ss, ssid, have_release_callback) {  in cgroup_task_release()
7400 	int ssid;  in delegate_show()  local
7409 	for_each_subsys(ss, ssid)  in delegate_show()
7412 					      cgroup_subsys_name[ssid]);  in delegate_show()