linux-kernel - Re: SLUB: purpose of sysfs events on cache creation/removal

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: <20191204132812.GF25242@dhcp22.suse.cz>
Date:   Wed, 4 Dec 2019 14:28:12 +0100
From:   Michal Hocko <mhocko@...nel.org>
To:     Christopher Lameter <cl@...ux.com>
Cc:     LKML <linux-kernel@...r.kernel.org>, linux-mm@...ck.org
Subject: Re: SLUB: purpose of sysfs events on cache creation/removal

On Wed 27-11-19 18:43:17, Michal Hocko wrote:
> On Wed 27-11-19 16:26:11, Cristopher Lameter wrote:
> > On Wed, 27 Nov 2019, Michal Hocko wrote:
> > 
> > > Would you mind a patch that would add a kernel command line parameter
> > > that would work like memcg_sysfs_enabled? The default for the config
> > > would be on. Or it would be preferrable to simply drop only events?
> > 
> > Just drop the events may be best. Then we know if someone is using it.
> 
> I would be worried that a lack of events might be surprising and a
> potential userspace wouldn't know that something has changed.

It would be great to land with some decision here.
-- 
Michal Hocko
SUSE Labs