On 29.11.22 20:35, Peter Xu wrote:
That's what the code does with !hugetlb pages, so we should logically do
the same for hugetlb, so migration entry will also be treated as no page.
This is probably also the last piece in follow_page code that may sleep,
the last one should be removed in cf994dd8af27 ("mm/gup: remove
FOLL_MIGRATION", 2022-11-16).
We only have a handful of follow_page() calls left. Most relevant for
hugetlb should only be the ones from mm/migrate.c.
So this is now just consistent with ordinary pages/THP.
Happy so see that gone.
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx>
--
Thanks,
David / dhildenb
