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

[Pankaj Raghav (Samsung)]

On Wed, Feb 14, 2024 at 12:18:14PM -0500, Zi Yan wrote:
> 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.
> 

Cool! Sounds good to me. I generally base my baseline based on -rcs. So
I might include it while sending for reviews until 6.8. I will remove
that patch once this gets in for the 6.9 merge window.

Thanks.
--
Pankaj