Hello David, thanks for your feedback. On Mon, 2021-03-22 at 17:49 +1100, David Gibson wrote: > I don't love this approach. Adding the extra flag at this level seems > a bit inelegant, and it means we're passing up an easy opportunity to > reduce our resource footprint on the host.
I understand, but trying to reduce resource footprint in host, and mostly failing is what causes hot-add and hot-remove to take so long. > But... maybe we'll have to do it. I'd like to see if we can get > things to work well enough with just the "batching" to avoid multiple > resize attempts first. This batching is something I had thought a lot about. Problem is that there are a lot of generic interfaces between memory hotplug and actually resizing HPT. I tried a simpler approach in patches 2 & 3, so I don't touch much stuff there. Best regards, Leonardo Bras
