linux-kernel - Re: [PATCH v4 2/3] mm/rmap: integrate PMD-mapped folio splitting into pagewalk loop

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Message-ID: <19645506-f17d-4202-807e-f0e5c99af742@redhat.com>
Date: Tue, 7 May 2024 19:33:05 +0200
From: David Hildenbrand <david@...hat.com>
To: Andrew Morton <akpm@...ux-foundation.org>,
 Lance Yang <ioworker0@...il.com>
Cc: Baolin Wang <baolin.wang@...ux.alibaba.com>, willy@...radead.org,
 sj@...nel.org, maskray@...gle.com, ziy@...dia.com, ryan.roberts@....com,
 21cnbao@...il.com, mhocko@...e.com, fengwei.yin@...el.com,
 zokeefe@...gle.com, shy828301@...il.com, xiehuan09@...il.com,
 libang.li@...group.com, wangkefeng.wang@...wei.com,
 songmuchun@...edance.com, peterx@...hat.com, minchan@...nel.org,
 linux-mm@...ck.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 2/3] mm/rmap: integrate PMD-mapped folio splitting into
 pagewalk loop

On 07.05.24 19:22, Andrew Morton wrote:
> On Tue, 7 May 2024 16:38:07 +0800 Lance Yang <ioworker0@...il.com> wrote:
> 
>>>> Yep, I'll also set pvmw.ptl to NULL here if any corner cases arise.
>>>>
>>>
>>> This series already resides in mm-stable. I asked Andrew to remove it
>>> for now. If that doesn't work, we'll need fixup patches to address any
>>> review feedback.
>>
>> I'll patiently wait Andrew's response, and then submit the next version or
>> fixup patches accordingly.
> 
> Well, which series are we talking about?  "mm/madvise: enhance
> lazyfreeing with mTHP in madvise_free v10" or ""Reclaim lazyfree THP
> without splitting v4" or both?

See my other mail, "mm/madvise: enhance lazyfreeing with mTHP in 
madvise_free v10" is all acked/reviewed and good to go.

> 
> And how significant are the needed fixup patches?
> 
> And what is our confidence level after those fixups are in place?

I'm afraid I won't have time to review this series this/next week, so I 
cannot tell. I already assumed this would not be 6.10 material.

-- 
Cheers,

David / dhildenb