linux-kernel - Re: 答复: PROBLEM: cgroup cost too much memory when transfer small files to tmpfs

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: <20200724113530.GH4061@dhcp22.suse.cz>
Date:   Fri, 24 Jul 2020 13:35:30 +0200
From:   Michal Hocko <mhocko@...nel.org>
To:     jingrui <jingrui@...wei.com>
Cc:     "tj@...nel.org" <tj@...nel.org>, Lizefan <lizefan@...wei.com>,
        "hannes@...xchg.org" <hannes@...xchg.org>,
        "vdavydov.dev@...il.com" <vdavydov.dev@...il.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "linux-mm@...ck.org" <linux-mm@...ck.org>,
        "cgroups@...r.kernel.org" <cgroups@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        caihaomin <caihaomin@...wei.com>,
        "Weiwei (N)" <wick.wei@...wei.com>
Subject: Re: 答复: PROBLEM: cgroup cost too
 much memory when transfer small files to tmpfs

On Fri 24-07-20 09:35:26, jingrui wrote:
> 
> On Friday, July 24, 2020 3:55 PM, Michal Hocko wrote:
> 
> > What is the reason to run under !root cgroup in those sessions if you do not care about accounting anyway? 
> 
> The systemd not support run those sessions under root cgroup, disable
> pam-systemd will not create session/cgroup, but this is not safe and make
> systemd-logind not work.

Could you be more specific please?
-- 
Michal Hocko
SUSE Labs