On Mon, 13 May 2013 11:34:41 -0300 Rafael Aquini <aquini@xxxxxxxxxx> wrote: > You're right, and the host's member is used to communicate the configured size > to guest's balloon device, however, by not changing it when the shrinker causes > the balloon to deflate will make the balloon thread to be woken up again > in order to chase the balloon size target again, won't it? Check I don't see the balloon thread waking up after the shrinker executes in my testing. Maybe this is so because it will only wake up when QEMU notifies a config change. But anyway, I'll think how to improve this as suggested by Michael too, as I seem to be changing num_pages' semantics according to the virtio spec. -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>