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Date:   Thu, 9 Jan 2020 21:13:36 +0100
From:   Michal Hocko <mhocko@kernel.org>
To:     Andrew Morton <akpm@linux-foundation.org>
Cc:     Christopher Lameter <cl@linux.com>,
        LKML <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: SLUB: purpose of sysfs events on cache creation/removal
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On Thu 09-01-20 11:44:15, Andrew Morton wrote:
> On Thu, 9 Jan 2020 15:52:36 +0100 Michal Hocko <mhocko@kernel.org> wrote:
> 
> > On Mon 06-01-20 15:51:26, Cristopher Lameter wrote:
> > > On Mon, 6 Jan 2020, Michal Hocko wrote:
> > > 
> > > > On Wed 04-12-19 18:32:24, Michal Hocko wrote:
> > > > > [Cc akpm - the email thread starts
> > > > > http://lkml.kernel.org/r/20191126121901.GE20912@dhcp22.suse.cz]
> > > >
> > > > ping.
> > > 
> > > There does not seem to be much of an interest in the patch?
> > 
> > It seems it has just fallen through cracks.
> 
> I looked at it - there wasn't really any compelling followup.

The primary motivation is the pointless udev event for each created
cache. There are not that many on the global case but memcg just adds
up.

-- 
Michal Hocko
SUSE Labs