linux-kernel - Re: [PATCH v3] mm: kmem: add lockdep assertion to obj_cgroup

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Message-Id: <305D2228-2BE5-407B-95C3-FE4C9FD59826@linux.dev>
Date: Wed, 31 Jul 2024 14:53:34 +0800
From: Muchun Song <muchun.song@...ux.dev>
To: Andrew Morton <akpm@...ux-foundation.org>
Cc: Marek Szyprowski <m.szyprowski@...sung.com>,
 Muchun Song <songmuchun@...edance.com>,
 Johannes Weiner <hannes@...xchg.org>,
 Michal Hocko <mhocko@...nel.org>,
 Roman Gushchin <roman.gushchin@...ux.dev>,
 Shakeel Butt <shakeel.butt@...ux.dev>,
 Vlastimil Babka <vbabka@...nel.org>,
 cgroups@...r.kernel.org,
 Linux Memory Management List <linux-mm@...ck.org>,
 LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3] mm: kmem: add lockdep assertion to obj_cgroup_memcg



> On Jul 31, 2024, at 04:18, Andrew Morton <akpm@...ux-foundation.org> wrote:
> 
> On Tue, 30 Jul 2024 20:52:04 +0200 Marek Szyprowski <m.szyprowski@...sung.com> wrote:
> 
>> This patch landed in today's linux-next as commit 230b2f1f31b9 ("mm: 
>> kmem: add lockdep assertion to obj_cgroup_memcg"). I my tests I found 
>> that it triggers the following warning on Debian bookworm/sid system 
>> image running under QEMU RISCV64:
> 
> Thanks.  I'll drop the patch while this gets sorted out, to be nice to
> linux-next users.

Hi Andrew,

Please pick up this patch first [1], it is a fix for the above issue.

[1] https://lore.kernel.org/all/20240718083607.42068-1-songmuchun@bytedance.com/

Thanks.