96 static void balloon_ack(struct virtqueue *vq)  in balloon_ack()  argument
98 	struct virtio_balloon *vb = vq->vdev->priv;  in balloon_ack()
103 static void tell_host(struct virtio_balloon *vb, struct virtqueue *vq)  in tell_host()  argument
111 	if (virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL) < 0)  in tell_host()
113 	virtqueue_kick(vq);  in tell_host()
116 	wait_event(vb->acked, virtqueue_get_buf(vq, &len));  in tell_host()
238 static void stats_request(struct virtqueue *vq)  in stats_request()  argument
240 	struct virtio_balloon *vb = vq->vdev->priv;  in stats_request()
248 	struct virtqueue *vq;  in stats_handle_request()  local
255 	vq = vb->stats_vq;  in stats_handle_request()
256 	if (!virtqueue_get_buf(vq, &len))  in stats_handle_request()
259 	if (virtqueue_add_outbuf(vq, &sg, 1, vb, GFP_KERNEL) < 0)  in stats_handle_request()
261 	virtqueue_kick(vq);  in stats_handle_request()