From: Frederic Weisbecker <fweisbec@gmail.com>
To: Tejun Heo <tj@kernel.org>
Cc: LKML <linux-kernel@vger.kernel.org>,
Oleg Nesterov <oleg@redhat.com>, Christoph Lameter <cl@linux.com>,
Rik van Riel <riel@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Subject: Re: [PATCH 0/5] kmod: Cleanups, simplifications, and make isolation friendly v3
Date: Tue, 28 Jul 2015 20:07:08 +0200 [thread overview]
Message-ID: <20150728180707.GB1547@lerouge> (raw)
In-Reply-To: <20150728180114.GJ5322@mtj.duckdns.org>
On Tue, Jul 28, 2015 at 02:01:14PM -0400, Tejun Heo wrote:
> Hello, Frederic.
>
> On Mon, Jul 27, 2015 at 11:05:41PM +0200, Frederic Weisbecker wrote:
> > > IMHO, system_wq should be fine and if it isn't turning off numa
> > > affinity or raising max worker limit later is pretty trivial.
> >
> > That's what I think too. How many workers system_unbound_wq can handle? If kmod
>
> 256 by default.
Looks quite fine!
>
> > raises very high numbers of threads in parallel like > 500, I think that would be
> > a problem on its own anyway.
>
> I'm having hard time to see how limit of 256 would be a problem. If
> it becomes one, let's deal with it then.
Agreed!
Thanks.
next prev parent reply other threads:[~2015-07-28 18:07 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-07-27 16:27 [PATCH 0/5] kmod: Cleanups, simplifications, and make isolation friendly v3 Frederic Weisbecker
2015-07-27 16:27 ` [PATCH 1/5] kmod: Bunch of internal functions renames Frederic Weisbecker
2015-07-27 16:27 ` [PATCH 2/5] kmod: Remove unecessary explicit wide CPU affinity setting Frederic Weisbecker
2015-07-27 16:27 ` [PATCH 3/5] kmod: Add up-to-date explanations on the purpose of each asynchronous levels Frederic Weisbecker
2015-07-27 16:27 ` [PATCH 4/5] kmod: Use system_unbound_wq instead of khelper Frederic Weisbecker
2015-07-27 16:27 ` [PATCH 5/5] kmod: Handle UMH_WAIT_PROC from system unbound workqueue Frederic Weisbecker
2015-07-27 18:48 ` [PATCH 0/5] kmod: Cleanups, simplifications, and make isolation friendly v3 Tejun Heo
2015-07-27 21:05 ` Frederic Weisbecker
2015-07-28 18:01 ` Tejun Heo
2015-07-28 18:07 ` Frederic Weisbecker [this message]
2015-08-05 17:10 ` Oleg Nesterov
2015-08-05 22:14 ` Frederic Weisbecker
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