linux-kernel - Re: [PATCH v2 1/3] mm/huge_memory: do not change split_huge

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Message-Id: <20251016135924.6390f12b04ead41d977102ec@linux-foundation.org>
Date: Thu, 16 Oct 2025 13:59:24 -0700
From: Andrew Morton <akpm@...ux-foundation.org>
To: Zi Yan <ziy@...dia.com>
Cc: Wei Yang <richard.weiyang@...il.com>, linmiaohe@...wei.com,
 david@...hat.com, jane.chu@...cle.com, kernel@...kajraghav.com,
 syzbot+e6367ea2fdab6ed46056@...kaller.appspotmail.com,
 syzkaller-bugs@...glegroups.com, mcgrof@...nel.org,
 nao.horiguchi@...il.com, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>,
 Baolin Wang <baolin.wang@...ux.alibaba.com>, "Liam R. Howlett"
 <Liam.Howlett@...cle.com>, Nico Pache <npache@...hat.com>, Ryan Roberts
 <ryan.roberts@....com>, Dev Jain <dev.jain@....com>, Barry Song
 <baohua@...nel.org>, Lance Yang <lance.yang@...ux.dev>,
 "Matthew Wilcox (Oracle)" <willy@...radead.org>,
 linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-mm@...ck.org, Pankaj Raghav <p.raghav@...sung.com>
Subject: Re: [PATCH v2 1/3] mm/huge_memory: do not change split_huge_page*()
 target order silently.

On Thu, 16 Oct 2025 10:32:17 -0400 Zi Yan <ziy@...dia.com> wrote:

> > Do we want to cc stable?
> 
> This only triggers a warning, so I am inclined not to.
> But some config decides to crash on kernel warnings. If anyone thinks
> it is worth ccing stable, please let me know.

Yes please.  Kernel warnings are pretty serious and I do like to fix
them in -stable when possible.

That means this patch will have a different routing and priority than
the other two so please split the warning fix out from the series.