On Fri, Mar 29, 2019 at 04:37:46PM +0100, David Hildenbrand wrote: > Just so we understand each other. What you mean with "appended to guest > memory" is "append to the guest memory size", not actually "append > memory via virtio-balloon", like adding memory regions and stuff. > > Instead of "-m 4G" you would do "-m 5G -device virtio-balloon,hint_size=1G". Right.