linux-kernel - Re: [PATCH v3 00/30] Eliminate Dying Memory Cgroup

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Message-Id: <20260114215917.8eee7b9fa4da37305b74d6f2@linux-foundation.org>
Date: Wed, 14 Jan 2026 21:59:17 -0800
From: Andrew Morton <akpm@...ux-foundation.org>
To: Qi Zheng <qi.zheng@...ux.dev>
Cc: hannes@...xchg.org, hughd@...gle.com, mhocko@...e.com,
 roman.gushchin@...ux.dev, shakeel.butt@...ux.dev, muchun.song@...ux.dev,
 david@...nel.org, lorenzo.stoakes@...cle.com, ziy@...dia.com,
 harry.yoo@...cle.com, yosry.ahmed@...ux.dev, imran.f.khan@...cle.com,
 kamalesh.babulal@...cle.com, axelrasmussen@...gle.com, yuanchu@...gle.com,
 weixugc@...gle.com, chenridong@...weicloud.com, mkoutny@...e.com,
 hamzamahfooz@...ux.microsoft.com, apais@...ux.microsoft.com,
 lance.yang@...ux.dev, linux-mm@...ck.org, linux-kernel@...r.kernel.org,
 cgroups@...r.kernel.org, Qi Zheng <zhengqi.arch@...edance.com>
Subject: Re: [PATCH v3 00/30] Eliminate Dying Memory Cgroup

On Thu, 15 Jan 2026 11:52:04 +0800 Qi Zheng <qi.zheng@...ux.dev> wrote:

> 
> 
> On 1/15/26 1:58 AM, Andrew Morton wrote:
> > On Wed, 14 Jan 2026 19:26:43 +0800 Qi Zheng <qi.zheng@...ux.dev> wrote:
> > 
> >> This patchset is intended to transfer the LRU pages to the object cgroup
> >> without holding a reference to the original memory cgroup in order to
> >> address the issue of the dying memory cgroup.
> > 
> > Thanks.  I'll add this to mm.git for testing.  A patchset of this
> > magnitude at -rc5 is a little ambitious, but Linus is giving us an rc8
> > so let's see.
> > 
> > I'll suppress the usual added-to-mm email spray.
> 
> Hi Andrew,
> 
> The issue reported by syzbot needs to be addressed. If you want to test
> this patchset, would you like me to provide a fix patch, or would you
> prefer me to update to v4?

A fix would be preferred if that's reasonable - it's a lot of patches
be resending!