__smp_call_single_queue
extern void __smp_call_single_queue(int cpu, struct llist_node *node);
__smp_call_single_queue(cpu, &work->node.llist);
__smp_call_single_queue(cpu, &p->wake_entry.llist);
__smp_call_single_queue(cpu, &csd->node.llist);