libvirt/tests/qemuxmlconfdata/balloon-mmio-deflate.xml

<domain type="qemu">
  <name>aarch64test</name>
  <uuid>496d7ea8-9739-544b-4ebd-ef08be936e8b</uuid>
  <memory>1048576</memory>
  <vcpu placement='static'>1</vcpu>
  <os>
    <type arch="aarch64" machine="virt">hvm</type>
  </os>
  <cpu match='exact'>
    <model>cortex-a53</model>
  </cpu>
  <devices>
    <emulator>/usr/bin/qemu-system-aarch64</emulator>
    <memballoon model='virtio' autodeflate='on'>
      <address type='virtio-mmio'/>
    </memballoon>
  </devices>
</domain>