237 static bool cgroup_ssid_enabled(int ssid)  in cgroup_ssid_enabled()  argument
239 	return static_key_enabled(cgroup_subsys_enabled_key[ssid]);  in cgroup_ssid_enabled()
500 #define for_each_css(css, ssid, cgrp)					\  argument
501 	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++)	\
503 				(cgrp)->subsys[(ssid)],			\
515 #define for_each_e_css(css, ssid, cgrp)					\  argument
516 	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT; (ssid)++)	\
517 		if (!((css) = cgroup_e_css(cgrp, cgroup_subsys[(ssid)]))) \
526 #define for_each_subsys(ss, ssid)					\  argument
527 	for ((ssid) = 0; (ssid) < CGROUP_SUBSYS_COUNT &&		\
528 	     (((ss) = cgroup_subsys[ssid]) || true); (ssid)++)
539 #define for_each_subsys_which(ss, ssid, ss_maskp)			\  argument
541 		(ssid) = 0;						\
543 		for_each_set_bit(ssid, ss_maskp, CGROUP_SUBSYS_COUNT)	\
544 			if (((ss) = cgroup_subsys[ssid]) && false)	\
756 	int ssid;  in put_css_set_locked()  local
764 	for_each_subsys(ss, ssid) {  in put_css_set_locked()
765 		list_del(&cset->e_cset_node[ssid]);  in put_css_set_locked()
766 		css_put(cset->subsys[ssid]);  in put_css_set_locked()
1011 	int ssid;  in find_css_set()  local
1067 	for_each_subsys(ss, ssid) {  in find_css_set()
1068 		struct cgroup_subsys_state *css = cset->subsys[ssid];  in find_css_set()
1070 		list_add_tail(&cset->e_cset_node[ssid],  in find_css_set()
1071 			      &css->cgroup->e_csets[ssid]);  in find_css_set()
1291 	int ssid;  in cgroup_calc_child_subsys_mask()  local
1301 		for_each_subsys_which(ss, ssid, &cur_ss_mask)  in cgroup_calc_child_subsys_mask()
1482 	int ssid, i, ret;  in rebind_subsystems()  local
1486 	for_each_subsys_which(ss, ssid, &ss_mask) {  in rebind_subsystems()
1501 	for_each_subsys_which(ss, ssid, &tmp_ss_mask) {  in rebind_subsystems()
1525 			if (tssid == ssid)  in rebind_subsystems()
1536 	for_each_subsys_which(ss, ssid, &ss_mask) {  in rebind_subsystems()
1546 		RCU_INIT_POINTER(scgrp->subsys[ssid], NULL);  in rebind_subsystems()
1547 		rcu_assign_pointer(dcgrp->subsys[ssid], css);  in rebind_subsystems()
1557 		src_root->subsys_mask &= ~(1 << ssid);  in rebind_subsystems()
1558 		scgrp->subtree_control &= ~(1 << ssid);  in rebind_subsystems()
1562 		dst_root->subsys_mask |= 1 << ssid;  in rebind_subsystems()
1564 			static_branch_enable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
1566 			dcgrp->subtree_control |= 1 << ssid;  in rebind_subsystems()
1568 			static_branch_disable(cgroup_subsys_on_dfl_key[ssid]);  in rebind_subsystems()
1584 	int ssid;  in cgroup_show_options()  local
1587 		for_each_subsys(ss, ssid)  in cgroup_show_options()
1588 			if (root->subsys_mask & (1 << ssid))  in cgroup_show_options()
1877 	int ssid;  in init_cgroup_housekeeping()  local
1887 	for_each_subsys(ss, ssid)  in init_cgroup_housekeeping()
1888 		INIT_LIST_HEAD(&cgrp->e_csets[ssid]);  in init_cgroup_housekeeping()
2241 	int			ssid;  member
2350 				*dst_cssp = cset->mg_dst_cset->subsys[tset->ssid];  in cgroup_taskset_next()
2352 				*dst_cssp = cset->subsys[tset->ssid];  in cgroup_taskset_next()
2389 			tset->ssid = i;  in cgroup_taskset_migrate()
2425 			tset->ssid = i;  in cgroup_taskset_migrate()
2438 			tset->ssid = i;  in cgroup_taskset_migrate()
2727 	int ssid, ret;  in __cgroup_procs_write()  local
2775 	for_each_subsys(ss, ssid)  in __cgroup_procs_write()
2864 	int ssid;  in cgroup_print_ss_mask()  local
2866 	for_each_subsys_which(ss, ssid, &ss_mask) {  in cgroup_print_ss_mask()
2976 	int ssid, ret;  in cgroup_subtree_control_write()  local
2988 		for_each_subsys_which(ss, ssid, &tmp_ss_mask) {  in cgroup_subtree_control_write()
2989 			if (!cgroup_ssid_enabled(ssid) ||  in cgroup_subtree_control_write()
2994 				enable |= 1 << ssid;  in cgroup_subtree_control_write()
2995 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
2997 				disable |= 1 << ssid;  in cgroup_subtree_control_write()
2998 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3004 		if (ssid == CGROUP_SUBSYS_COUNT)  in cgroup_subtree_control_write()
3012 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3013 		if (enable & (1 << ssid)) {  in cgroup_subtree_control_write()
3014 			if (cgrp->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3015 				enable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3020 			if (!(cgrp_dfl_root.subsys_mask & (1 << ssid)) ||  in cgroup_subtree_control_write()
3022 			     !(cgroup_parent(cgrp)->subtree_control & (1 << ssid)))) {  in cgroup_subtree_control_write()
3026 		} else if (disable & (1 << ssid)) {  in cgroup_subtree_control_write()
3027 			if (!(cgrp->subtree_control & (1 << ssid))) {  in cgroup_subtree_control_write()
3028 				disable &= ~(1 << ssid);  in cgroup_subtree_control_write()
3034 				if (child->subtree_control & (1 << ssid)) {  in cgroup_subtree_control_write()
3077 	for_each_subsys_which(ss, ssid, &css_enable) {  in cgroup_subtree_control_write()
3105 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3106 		if (!(enable & (1 << ssid)))  in cgroup_subtree_control_write()
3110 			if (css_enable & (1 << ssid))  in cgroup_subtree_control_write()
3112 					cgrp->subtree_control & (1 << ssid));  in cgroup_subtree_control_write()
3138 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3139 		if (!(disable & (1 << ssid)))  in cgroup_subtree_control_write()
3145 			if (css_disable & (1 << ssid)) {  in cgroup_subtree_control_write()
3161 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3183 	for_each_subsys(ss, ssid) {  in cgroup_subtree_control_write()
3184 		if (!(enable & (1 << ssid)))  in cgroup_subtree_control_write()
3193 			if (css_enable & (1 << ssid))  in cgroup_subtree_control_write()
4928 	int ssid, ret;  in cgroup_mkdir()  local
5008 	for_each_subsys(ss, ssid) {  in cgroup_mkdir()
5009 		if (parent->child_subsys_mask & (1 << ssid)) {  in cgroup_mkdir()
5011 					 parent->subtree_control & (1 << ssid));  in cgroup_mkdir()
5147 	int ssid;  in cgroup_destroy_locked()  local
5180 	for_each_css(css, ssid, cgrp)  in cgroup_destroy_locked()
5321 	int ssid;  in cgroup_init()  local
5337 	for_each_subsys(ss, ssid) {  in cgroup_init()
5349 		list_add_tail(&init_css_set.e_cset_node[ssid],  in cgroup_init()
5350 			      &cgrp_dfl_root.cgrp.e_csets[ssid]);  in cgroup_init()
5357 		if (cgroup_disable_mask & (1 << ssid)) {  in cgroup_init()
5358 			static_branch_disable(cgroup_subsys_enabled_key[ssid]);  in cgroup_init()
5377 			ss->bind(init_css_set.subsys[ssid]);  in cgroup_init()
5435 		int ssid, count = 0;  in proc_cgroup_show()  local
5442 			for_each_subsys(ss, ssid)  in proc_cgroup_show()
5443 				if (root->subsys_mask & (1 << ssid))  in proc_cgroup_show()
5709 	int ssid;  in cgroup_free()  local
5711 	for_each_subsys_which(ss, ssid, &have_free_callback)  in cgroup_free()