554 static struct hv_dynmem_device dm_device;  variable
566 		mutex_lock(&dm_device.ha_region_mutex);  in hv_memory_notifier()
570 		dm_device.num_pages_onlined += mem->nr_pages;  in hv_memory_notifier()
573 		    mutex_is_locked(&dm_device.ha_region_mutex))  in hv_memory_notifier()
574 			mutex_unlock(&dm_device.ha_region_mutex);  in hv_memory_notifier()
575 		if (dm_device.ha_waiting) {  in hv_memory_notifier()
576 			dm_device.ha_waiting = false;  in hv_memory_notifier()
577 			complete(&dm_device.ol_waitevent);  in hv_memory_notifier()
582 		mutex_lock(&dm_device.ha_region_mutex);  in hv_memory_notifier()
583 		dm_device.num_pages_onlined -= mem->nr_pages;  in hv_memory_notifier()
584 		mutex_unlock(&dm_device.ha_region_mutex);  in hv_memory_notifier()
636 		init_completion(&dm_device.ol_waitevent);  in hv_mem_hot_add()
637 		dm_device.ha_waiting = true;  in hv_mem_hot_add()
639 		mutex_unlock(&dm_device.ha_region_mutex);  in hv_mem_hot_add()
658 			mutex_lock(&dm_device.ha_region_mutex);  in hv_mem_hot_add()
668 		wait_for_completion_timeout(&dm_device.ol_waitevent, 5*HZ);  in hv_mem_hot_add()
669 		mutex_lock(&dm_device.ha_region_mutex);  in hv_mem_hot_add()
670 		post_status(&dm_device);  in hv_mem_hot_add()
683 	list_for_each(cur, &dm_device.ha_region_list) {  in hv_online_page()
707 	if (list_empty(&dm_device.ha_region_list))  in pfn_covered()
710 	list_for_each(cur, &dm_device.ha_region_list) {  in pfn_covered()
761 	if (list_empty(&dm_device.ha_region_list))  in handle_pg_range()
764 	list_for_each(cur, &dm_device.ha_region_list) {  in handle_pg_range()
839 	if (!dm_device.host_specified_ha_region)  in process_hot_add()
854 		list_add_tail(&ha_region->list, &dm_device.ha_region_list);  in process_hot_add()
878 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()
885 	mutex_lock(&dm_device.ha_region_mutex);  in hot_add_req()
919 	mutex_unlock(&dm_device.ha_region_mutex);  in hot_add_req()
1140 	unsigned int num_pages = dm_device.balloon_wrk.num_pages;  in balloon_up()
1177 		num_ballooned = alloc_balloon_pages(&dm_device, num_pages,  in balloon_up()
1188 			dm_device.state = DM_INITIALIZED;  in balloon_up()
1199 			ret = vmbus_sendpacket(dm_device.dev->channel,  in balloon_up()
1207 			post_status(&dm_device);  in balloon_up()
1217 				free_balloon_pages(&dm_device,  in balloon_up()
1236 		complete(&dm_device.config_event);  in balloon_down()
1247 	vmbus_sendpacket(dm_device.dev->channel, &resp,  in balloon_down()
1263 						&dm_device.config_event, 1*HZ);  in dm_thread_func()
1268 		reinit_completion(&dm_device.config_event);  in dm_thread_func()
1383 			dm_device.balloon_wrk.num_pages = bal_msg->num_pages;  in balloon_onchannelcallback()
1384 			schedule_work(&dm_device.balloon_wrk.wrk);  in balloon_onchannelcallback()
1418 			schedule_work(&dm_device.ha_wrk.wrk);  in balloon_onchannelcallback()
1457 	dm_device.dev = dev;  in balloon_probe()
1458 	dm_device.state = DM_INITIALIZING;  in balloon_probe()
1459 	dm_device.next_version = DYNMEM_PROTOCOL_VERSION_WIN8;  in balloon_probe()
1460 	init_completion(&dm_device.host_event);  in balloon_probe()
1461 	init_completion(&dm_device.config_event);  in balloon_probe()
1462 	INIT_LIST_HEAD(&dm_device.ha_region_list);  in balloon_probe()
1463 	mutex_init(&dm_device.ha_region_mutex);  in balloon_probe()
1464 	INIT_WORK(&dm_device.balloon_wrk.wrk, balloon_up);  in balloon_probe()
1465 	INIT_WORK(&dm_device.ha_wrk.wrk, hot_add_req);  in balloon_probe()
1466 	dm_device.host_specified_ha_region = false;  in balloon_probe()
1468 	dm_device.thread =  in balloon_probe()
1469 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_probe()
1470 	if (IS_ERR(dm_device.thread)) {  in balloon_probe()
1471 		ret = PTR_ERR(dm_device.thread);  in balloon_probe()
1480 	hv_set_drvdata(dev, &dm_device);  in balloon_probe()
1501 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_probe()
1511 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_probe()
1547 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_probe()
1557 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_probe()
1562 	dm_device.state = DM_INITIALIZED;  in balloon_probe()
1570 	kthread_stop(dm_device.thread);  in balloon_probe()