Re: [PATCH 02/10] mm/hugetlb: Don't wait for migration entry during follow page

From: Mike Kravetz
Date: Tue Nov 29 2022 - 23:40:05 EST


On 11/29/22 14:35, 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.

Makes sense. I like the consistency.

> 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).
>
> Signed-off-by: Peter Xu <peterx@xxxxxxxxxx>
> ---
> mm/hugetlb.c | 11 -----------
> 1 file changed, 11 deletions(-)

Thanks!

Reviewed-by: Mike Kravetz <mike.kravetz@xxxxxxxxxx>
--
Mike Kravetz