linux-kernel - Re: [PATCH v3 26/30 fix] mm: mglru: do not call update_lru

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20260115094656.d34a828cc6bde0e0f8511071@linux-foundation.org>
Date: Thu, 15 Jan 2026 09:46:56 -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 26/30 fix] mm: mglru: do not call update_lru_size()
 during reparenting

On Thu, 15 Jan 2026 18:44:44 +0800 Qi Zheng <qi.zheng@...ux.dev> wrote:

> From: Qi Zheng <zhengqi.arch@...edance.com>
> 
> Only non-hierarchical lruvec_stats->state_local needs to be reparented,
> so handle it in reparent_state_local(), and remove the unreasonable
> update_lru_size() call in __lru_gen_reparent_memcg().
> 

Thanks, added as a squashable fix against "mm: vmscan: prepare for
reparenting MGLRU folios".