diff
1281 void vmbus_free_ring(struct vmbus_channel *channel)
1283         hv_ringbuffer_cleanup(&channel->outbound);
1284         hv_ringbuffer_cleanup(&channel->inbound);
1286         if (channel->ringbuffer_page) {
1287                 __free_pages(channel->ringbuffer_page,
+                                 get_order(channel->ringbuffer_pagecount * PAGE_SIZE));
+                channel->ringbuffer_page = NULL;
+                channel->ringbuffer_pagecount = 0;
1288         }
