294 static void activate_page_drain(int cpu)  in activate_page_drain()  argument
296 	struct pagevec *pvec = &per_cpu(activate_page_pvecs, cpu);  in activate_page_drain()
302 static bool need_activate_page_drain(int cpu)  in need_activate_page_drain()  argument
304 	return pagevec_count(&per_cpu(activate_page_pvecs, cpu)) != 0;  in need_activate_page_drain()
321 static inline void activate_page_drain(int cpu)  in activate_page_drain()  argument
589 void lru_add_drain_cpu(int cpu)  in lru_add_drain_cpu()  argument
591 	struct pagevec *pvec = &per_cpu(lru_add_pvec, cpu);  in lru_add_drain_cpu()
596 	pvec = &per_cpu(lru_rotate_pvecs, cpu);  in lru_add_drain_cpu()
606 	pvec = &per_cpu(lru_deactivate_file_pvecs, cpu);  in lru_add_drain_cpu()
610 	pvec = &per_cpu(lru_deactivate_pvecs, cpu);  in lru_add_drain_cpu()
614 	pvec = &per_cpu(lru_lazyfree_pvecs, cpu);  in lru_add_drain_cpu()
618 	activate_page_drain(cpu);  in lru_add_drain_cpu()
713 	int cpu;  in lru_add_drain_all()  local
725 	for_each_online_cpu(cpu) {  in lru_add_drain_all()
726 		struct work_struct *work = &per_cpu(lru_add_drain_work, cpu);  in lru_add_drain_all()
728 		if (pagevec_count(&per_cpu(lru_add_pvec, cpu)) ||  in lru_add_drain_all()
729 		    pagevec_count(&per_cpu(lru_rotate_pvecs, cpu)) ||  in lru_add_drain_all()
730 		    pagevec_count(&per_cpu(lru_deactivate_file_pvecs, cpu)) ||  in lru_add_drain_all()
731 		    pagevec_count(&per_cpu(lru_deactivate_pvecs, cpu)) ||  in lru_add_drain_all()
732 		    pagevec_count(&per_cpu(lru_lazyfree_pvecs, cpu)) ||  in lru_add_drain_all()
733 		    need_activate_page_drain(cpu)) {  in lru_add_drain_all()
735 			queue_work_on(cpu, mm_percpu_wq, work);  in lru_add_drain_all()
736 			cpumask_set_cpu(cpu, &has_work);  in lru_add_drain_all()
740 	for_each_cpu(cpu, &has_work)  in lru_add_drain_all()
741 		flush_work(&per_cpu(lru_add_drain_work, cpu));  in lru_add_drain_all()