17 static cpumask_var_t rcu_nocb_mask; /* CPUs to have callbacks offloaded. */  variable
61 	alloc_bootmem_cpumask_var(&rcu_nocb_mask);  in rcu_nocb_setup()
63 		if (cpulist_parse(++str, rcu_nocb_mask)) {  in rcu_nocb_setup()
65 			cpumask_setall(rcu_nocb_mask);  in rcu_nocb_setup()
1121 				cpumask_clear_cpu(cpu, rcu_nocb_mask);  in rcu_nocb_cpu_deoffload()
1189 				cpumask_set_cpu(cpu, rcu_nocb_mask);  in rcu_nocb_cpu_offload()
1209 	if (WARN_ON_ONCE(!cpumask_available(rcu_nocb_mask)))  in lazy_rcu_shrink_count()
1217 	for_each_cpu(cpu, rcu_nocb_mask) {  in lazy_rcu_shrink_count()
1235 	if (WARN_ON_ONCE(!cpumask_available(rcu_nocb_mask)))  in lazy_rcu_shrink_scan()
1252 	for_each_cpu(cpu, rcu_nocb_mask) {  in lazy_rcu_shrink_scan()
1305 		if (!cpumask_available(rcu_nocb_mask)) {  in rcu_init_nohz()
1306 			if (!zalloc_cpumask_var(&rcu_nocb_mask, GFP_KERNEL)) {  in rcu_init_nohz()
1312 		cpumask_or(rcu_nocb_mask, rcu_nocb_mask, cpumask);  in rcu_init_nohz()
1331 	if (!cpumask_subset(rcu_nocb_mask, cpu_possible_mask)) {  in rcu_init_nohz()
1333 		cpumask_and(rcu_nocb_mask, cpu_possible_mask,  in rcu_init_nohz()
1334 			    rcu_nocb_mask);  in rcu_init_nohz()
1336 	if (cpumask_empty(rcu_nocb_mask))  in rcu_init_nohz()
1340 			cpumask_pr_args(rcu_nocb_mask));  in rcu_init_nohz()
1344 	for_each_cpu(cpu, rcu_nocb_mask) {  in rcu_init_nohz()
1433 		cpumask_clear_cpu(cpu, rcu_nocb_mask);  in rcu_spawn_cpu_nocb_kthread()
1456 	if (!cpumask_available(rcu_nocb_mask))  in rcu_organize_nocb_kthreads()
1492 		if (cpumask_test_cpu(cpu, rcu_nocb_mask))  in rcu_organize_nocb_kthreads()
1505 	if (cpumask_available(rcu_nocb_mask) && !cpumask_empty(rcu_nocb_mask))  in rcu_bind_current_to_nocb()
1506 		WARN_ON(sched_setaffinity(current->pid, rcu_nocb_mask));  in rcu_bind_current_to_nocb()