diff options
Diffstat (limited to 'hw/virtio-balloon.c')
| -rw-r--r-- | hw/virtio-balloon.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/hw/virtio-balloon.c b/hw/virtio-balloon.c index 075ed87e37..d048cef50f 100644 --- a/hw/virtio-balloon.c +++ b/hw/virtio-balloon.c @@ -146,8 +146,13 @@ static void virtio_balloon_set_config(VirtIODevice *vdev, { VirtIOBalloon *dev = to_virtio_balloon(vdev); struct virtio_balloon_config config; + uint32_t oldactual = dev->actual; memcpy(&config, config_data, 8); dev->actual = le32_to_cpu(config.actual); + if (dev->actual != oldactual) { + qemu_balloon_changed(ram_size - + (dev->actual << VIRTIO_BALLOON_PFN_SHIFT)); + } } static uint32_t virtio_balloon_get_features(VirtIODevice *vdev, uint32_t f) |