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

[Zi Yan]

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>

--
Best Regards,
Yan, Zi

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