Re: [PATCH v4 0/7] Split a folio to any lower order folios

From: Zi Yan
Date: Wed Feb 14 2024 - 12:18:35 EST


Hi Pankaj,

On 13 Feb 2024, at 16:55, Zi Yan wrote:

> From: Zi Yan <ziy@xxxxxxxxxx>
>
> Hi all,
>
> File folio supports any order and multi-size THP is upstreamed[1], so both
> file and anonymous folios can be >0 order. Currently, split_huge_page()
> only splits a huge page to order-0 pages, but splitting to orders higher than
> 0 is going to better utilize large folios. In addition, Large Block
> Sizes in XFS support would benefit from it[2]. This patchset adds support for

Just talked to Matthew about his order-1 pagecache folio, I am planning to
grab that into this one, so that I can remove the restriction in my patches
and you guys do not need to do that in your patchset. Let me know if it works
for you.

--
Best Regards,
Yan, Zi

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