linux-kernel - Re: [PATCH] mm/memcontrol: update lruvec counters in mem_cgroup_move

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]

Date:   Tue, 15 Oct 2019 09:53:48 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
Cc:     linux-mm@...ck.org, Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
        Michal Hocko <mhocko@...nel.org>,
        Vladimir Davydov <vdavydov.dev@...il.com>
Subject: Re: [PATCH] mm/memcontrol: update lruvec counters in
 mem_cgroup_move_account

On Tue, Oct 15, 2019 at 11:09:59AM +0300, Konstantin Khlebnikov wrote:
> Mapped, dirty and writeback pages are also counted in per-lruvec stats.
> These counters needs update when page is moved between cgroups.
> 
> Fixes: 00f3ca2c2d66 ("mm: memcontrol: per-lruvec stats infrastructure")
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>

Acked-by: Johannes Weiner <hannes@...xchg.org>

Please mention in the changelog that currently is nobody *consuming*
the lruvec versions of these counters and that there is no
user-visible effect. Thanks