Re: [PATCH v8 2/3] mm/rmap: integrate PMD-mapped folio splitting into pagewalk loop

[Lance Yang]

On Fri, Jun 14, 2024 at 10:26 PM Zi Yan <ziy@xxxxxxxxxx> wrote:
>
> On 13 Jun 2024, at 21:51, Lance Yang wrote:
>
> > In preparation for supporting try_to_unmap_one() to unmap PMD-mapped
> > folios, start the pagewalk first, then call split_huge_pmd_address() to
> > split the folio.
> >
> > Suggested-by: David Hildenbrand <david@xxxxxxxxxx>
> > Suggested-by: Baolin Wang <baolin.wang@xxxxxxxxxxxxxxxxx>
> > Signed-off-by: Lance Yang <ioworker0@xxxxxxxxx>
> > ---
> >  include/linux/huge_mm.h |  6 ++++++
> >  include/linux/rmap.h    | 24 +++++++++++++++++++++++
> >  mm/huge_memory.c        | 42 +++++++++++++++++++++--------------------
> >  mm/rmap.c               | 21 +++++++++++++++------
> >  4 files changed, 67 insertions(+), 26 deletions(-)
>
> Thanks.
>
> Acked-by: Zi Yan <ziy@xxxxxxxxxx>

Thanks for taking time to review!
Lance

>
> --
> Best Regards,
> Yan, Zi