diff options
Diffstat (limited to 'drivers/virtio/virtio_balloon.c')
| -rw-r--r-- | drivers/virtio/virtio_balloon.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c index fb12fe205f86..f19061b585a4 100644 --- a/drivers/virtio/virtio_balloon.c +++ b/drivers/virtio/virtio_balloon.c @@ -457,9 +457,12 @@ static void update_balloon_size_func(struct work_struct *work) update_balloon_size_work); diff = towards_target(vb); + if (!diff) + return; + if (diff > 0) diff -= fill_balloon(vb, diff); - else if (diff < 0) + else diff += leak_balloon(vb, -diff); update_balloon_size(vb); @@ -922,7 +925,6 @@ static int virtballoon_probe(struct virtio_device *vdev) VIRTIO_BALLOON_CMD_ID_STOP); vb->cmd_id_stop = cpu_to_virtio32(vb->vdev, VIRTIO_BALLOON_CMD_ID_STOP); - vb->num_free_page_blocks = 0; spin_lock_init(&vb->free_page_list_lock); INIT_LIST_HEAD(&vb->free_page_list); if (virtio_has_feature(vdev, VIRTIO_BALLOON_F_PAGE_POISON)) { |