Luiz Capitulino <lcapitulino@xxxxxxxxxx> writes:
> According to the virtio spec, the device configuration field
> that should be updated after an inflation or deflation
> operation is the 'actual' field, not the 'num_pages' one.
>
> Commit 855e0c5288177bcb193f6f6316952d2490478e1c swapped them
> in update_balloon_size(). Fix it.
>
> Signed-off-by: Luiz Capitulino <lcapitulino@xxxxxxxxxx>
Damn, exactly right. Good catch.
Applied,
Rusty.
> drivers/virtio/virtio_balloon.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
> index c444654..5c4a95b 100644
> --- a/drivers/virtio/virtio_balloon.c
> +++ b/drivers/virtio/virtio_balloon.c
> @@ -285,7 +285,7 @@ static void update_balloon_size(struct virtio_balloon *vb)
> {
> __le32 actual = cpu_to_le32(vb->num_pages);
>
> - virtio_cwrite(vb->vdev, struct virtio_balloon_config, num_pages,
> + virtio_cwrite(vb->vdev, struct virtio_balloon_config, actual,
> &actual);
> }
>
> --
> 1.8.1.4
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