David Hildenbrand [off-list ref] writes:

On 07.08.23 08:39, Alistair Popple wrote:

quoted

The migration selftest was only checking the return code and not the
status array for migration success/failure. Update the test to check
both. This uncovered a bug in the return code handling of
do_pages_move().
Also disable NUMA balancing as that can lead to unexpected migration
failures.

As raised in a sub-thread, is that still required with the mm-unstable
patch:

Oh I must have missed that sub-thread. I will give it a try. Thanks!

commit 3c471b04db7604974e3bea45e2d9c7c27a905536
Author: David Hildenbrand [off-list ref]
Date:   Thu Aug 3 16:32:02 2023 +0200

    mm/gup: reintroduce FOLL_NUMA as FOLL_HONOR_NUMA_FAULT