3959 static int kswapd(void *p)  in kswapd()  function
4044 		pgdat->mkswapd[hid] = kthread_run(kswapd, pgdat, "kswapd%d:%d",  in kswapd_per_node_run()
4055 		if (!pgdat->kswapd)  in kswapd_per_node_run()
4056 			pgdat->kswapd = pgdat->mkswapd[hid];  in kswapd_per_node_run()
4065 	struct task_struct *kswapd;  in kswapd_per_node_stop()  local
4068 		kswapd = NODE_DATA(nid)->mkswapd[hid];  in kswapd_per_node_stop()
4069 		if (kswapd) {  in kswapd_per_node_stop()
4070 			kthread_stop(kswapd);  in kswapd_per_node_stop()
4074 	NODE_DATA(nid)->kswapd = NULL;  in kswapd_per_node_stop()
4177 	if (pgdat->kswapd)  in kswapd_run()
4183 	pgdat->kswapd = kthread_run(kswapd, pgdat, "kswapd%d", nid);  in kswapd_run()
4184 	if (IS_ERR(pgdat->kswapd)) {  in kswapd_run()
4188 		ret = PTR_ERR(pgdat->kswapd);  in kswapd_run()
4189 		pgdat->kswapd = NULL;  in kswapd_run()
4200 	struct task_struct *kswapd = NODE_DATA(nid)->kswapd;  in kswapd_stop()  local
4207 	if (kswapd) {  in kswapd_stop()
4208 		kthread_stop(kswapd);  in kswapd_stop()
4209 		NODE_DATA(nid)->kswapd = NULL;  in kswapd_stop()