From: Michal Hocko <mhocko@kernel.org>
To: Christopher Lameter <cl@linux.com>
Cc: LKML <linux-kernel@vger.kernel.org>, linux-mm@kvack.org
Subject: Re: SLUB: purpose of sysfs events on cache creation/removal
Date: Wed, 4 Dec 2019 16:32:25 +0100 [thread overview]
Message-ID: <20191204153225.GM25242@dhcp22.suse.cz> (raw)
In-Reply-To: <alpine.DEB.2.21.1912041524290.18825@www.lameter.com>
On Wed 04-12-19 15:25:43, Cristopher Lameter wrote:
> On Wed, 4 Dec 2019, Michal Hocko wrote:
>
> > > > 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.
>
> Drop the events. These are internal kernel structures and supporting
> notifiers to userspace is a bit unusual.
As I've said I believe it is quite risky. But if you as a maintainer
believe this is the right thing to do I will not object. Care to send a
patch?
--
Michal Hocko
SUSE Labs
next prev parent reply other threads:[~2019-12-04 15:32 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-26 12:19 SLUB: purpose of sysfs events on cache creation/removal Michal Hocko
2019-11-26 16:32 ` Christopher Lameter
2019-11-26 16:54 ` Michal Hocko
2019-11-27 15:40 ` Christopher Lameter
2019-11-27 16:24 ` Michal Hocko
2019-11-27 16:26 ` Christopher Lameter
2019-11-27 17:43 ` Michal Hocko
2019-12-04 13:28 ` Michal Hocko
2019-12-04 15:25 ` Christopher Lameter
2019-12-04 15:32 ` Michal Hocko [this message]
2019-12-04 16:53 ` Christopher Lameter
2019-12-04 17:32 ` Michal Hocko
2020-01-06 11:57 ` Michal Hocko
2020-01-06 15:51 ` Christopher Lameter
2020-01-06 15:51 ` Christopher Lameter
2020-01-09 14:52 ` Michal Hocko
2020-01-09 19:44 ` Andrew Morton
2020-01-09 20:13 ` Michal Hocko
2020-01-09 20:15 ` Michal Hocko
2020-01-17 17:13 ` Michal Koutný
2020-01-19 0:15 ` Andrew Morton
2020-01-27 17:33 ` Michal Koutný
2020-01-27 23:04 ` Christopher Lameter
2020-01-27 23:04 ` Christopher Lameter
2020-01-28 8:51 ` Michal Koutný
2020-01-28 18:13 ` Christopher Lameter
2020-01-28 18:13 ` Christopher Lameter
2020-01-30 13:16 ` Vlastimil Babka
2020-01-09 14:07 ` Vlastimil Babka
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