On Tue, 10 Nov 2009 03:02:06 am Adam Litke wrote: > A simpler approach is to collect memory statistics in the virtio > balloon driver and communicate them to the host via the device config space.
There are two issues I see with this. First, there's an atomicity problem since you can't tell when the stats are consistent. Second, polling is ugly. A stats vq might solve this more cleanly? Rusty.
