restrict_unbound_cpumask
restrict_unbound_cpumask("HK_TYPE_WQ", housekeeping_cpumask(HK_TYPE_WQ));
restrict_unbound_cpumask("HK_TYPE_DOMAIN", housekeeping_cpumask(HK_TYPE_DOMAIN));
restrict_unbound_cpumask("workqueue.unbound_cpus", &wq_cmdline_cpumask);