334 static struct cpuset top_cpuset = {  variable
739 	if (cur == &top_cpuset)  in validate_change()
900 	bool root_load_balance = is_sched_load_balance(&top_cpuset);  in generate_sched_domains()
907 	if (root_load_balance && !top_cpuset.nr_subparts_cpus) {  in generate_sched_domains()
916 			update_domain_attr_tree(dattr, &top_cpuset);  in generate_sched_domains()
918 		cpumask_and(doms[0], top_cpuset.effective_cpus,  in generate_sched_domains()
931 		csa[csn++] = &top_cpuset;  in generate_sched_domains()
932 	cpuset_for_each_descendant_pre(cp, pos_css, &top_cpuset) {  in generate_sched_domains()
933 		if (cp == &top_cpuset)  in generate_sched_domains()
953 		    cpumask_subset(cp->cpus_allowed, top_cpuset.effective_cpus))  in generate_sched_domains()
1095 	cpuset_for_each_descendant_pre(cs, pos_css, &top_cpuset) {  in rebuild_root_domains()
1155 	if (!top_cpuset.nr_subparts_cpus &&  in rebuild_sched_domains_locked()
1156 	    !cpumask_equal(top_cpuset.effective_cpus, cpu_active_mask))  in rebuild_sched_domains_locked()
1164 	if (top_cpuset.nr_subparts_cpus) {  in rebuild_sched_domains_locked()
1166 		cpuset_for_each_descendant_pre(cs, pos_css, &top_cpuset) {  in rebuild_sched_domains_locked()
1213 	bool top_cs = cs == &top_cpuset;  in update_tasks_cpumask()
1736 	if (cs == &top_cpuset)  in update_cpumask()
1753 				    top_cpuset.cpus_allowed))  in update_cpumask()
2068 	if (cs == &top_cpuset) {  in update_nodemask()
2087 				  top_cpuset.mems_allowed)) {  in update_nodemask()
2522 		if (cs != &top_cpuset)  in cpuset_attach()
3060 		return &top_cpuset.css;  in cpuset_css_alloc()
3203 		cpumask_copy(top_cpuset.cpus_allowed, cpu_possible_mask);  in cpuset_bind()
3204 		top_cpuset.mems_allowed = node_possible_map;  in cpuset_bind()
3206 		cpumask_copy(top_cpuset.cpus_allowed,  in cpuset_bind()
3207 			     top_cpuset.effective_cpus);  in cpuset_bind()
3208 		top_cpuset.mems_allowed = top_cpuset.effective_mems;  in cpuset_bind()
3256 	BUG_ON(!alloc_cpumask_var(&top_cpuset.cpus_allowed, GFP_KERNEL));  in cpuset_init()
3257 	BUG_ON(!alloc_cpumask_var(&top_cpuset.effective_cpus, GFP_KERNEL));  in cpuset_init()
3258 	BUG_ON(!zalloc_cpumask_var(&top_cpuset.subparts_cpus, GFP_KERNEL));  in cpuset_init()
3260 	cpumask_setall(top_cpuset.cpus_allowed);  in cpuset_init()
3261 	nodes_setall(top_cpuset.mems_allowed);  in cpuset_init()
3262 	cpumask_setall(top_cpuset.effective_cpus);  in cpuset_init()
3263 	nodes_setall(top_cpuset.effective_mems);  in cpuset_init()
3265 	fmeter_init(&top_cpuset.fmeter);  in cpuset_init()
3266 	set_bit(CS_SCHED_LOAD_BALANCE, &top_cpuset.flags);  in cpuset_init()
3267 	top_cpuset.relax_domain_level = -1;  in cpuset_init()
3530 	cpus_updated = !cpumask_equal(top_cpuset.effective_cpus, &new_cpus);  in cpuset_hotplug_workfn()
3531 	mems_updated = !nodes_equal(top_cpuset.effective_mems, new_mems);  in cpuset_hotplug_workfn()
3537 	if (!cpus_updated && top_cpuset.nr_subparts_cpus)  in cpuset_hotplug_workfn()
3544 			cpumask_copy(top_cpuset.cpus_allowed, &new_cpus);  in cpuset_hotplug_workfn()
3551 		if (top_cpuset.nr_subparts_cpus) {  in cpuset_hotplug_workfn()
3553 					   top_cpuset.subparts_cpus)) {  in cpuset_hotplug_workfn()
3554 				top_cpuset.nr_subparts_cpus = 0;  in cpuset_hotplug_workfn()
3555 				cpumask_clear(top_cpuset.subparts_cpus);  in cpuset_hotplug_workfn()
3558 					       top_cpuset.subparts_cpus);  in cpuset_hotplug_workfn()
3561 		cpumask_copy(top_cpuset.effective_cpus, &new_cpus);  in cpuset_hotplug_workfn()
3570 			top_cpuset.mems_allowed = new_mems;  in cpuset_hotplug_workfn()
3571 		top_cpuset.effective_mems = new_mems;  in cpuset_hotplug_workfn()
3573 		update_tasks_nodemask(&top_cpuset);  in cpuset_hotplug_workfn()
3584 		cpuset_for_each_descendant_pre(cs, pos_css, &top_cpuset) {  in cpuset_hotplug_workfn()
3585 			if (cs == &top_cpuset || !css_tryget_online(&cs->css))  in cpuset_hotplug_workfn()
3650 	top_cpuset.old_mems_allowed = top_cpuset.mems_allowed;  in cpuset_init_smp()
3652 	cpumask_copy(top_cpuset.effective_cpus, cpu_active_mask);  in cpuset_init_smp()
3653 	top_cpuset.effective_mems = node_states[N_MEMORY];  in cpuset_init_smp()