On Jul 28, 2022, at 6:40 PM, Peter Xu <peterx@xxxxxxxxxx> wrote: > [Marking as RFC; only x86 is supported for now, plan to add a few more > archs when there's a formal version] > > Problem > ======= > > When migrate a page, right now we always mark the migrated page as old. > The reason could be that we don't really know whether the page is hot or > cold, so we could have taken it a default negative assuming that's safer. Looks good to me. I just wonder whether the order of the patches should be different. I always understood that separating the “enabling” patch from the others is not a good practice, since it complicates bisection. I guess it is more of a minor issue for such a small patch-set…
