From: Tomasz Chmielewski <mangoo@wpkg.org>
To: Mike Galbraith <umgwanakikbuti@gmail.com>
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: Re: thousands of kworker processes with 4.7.x and 4.8-rc*
Date: Sun, 25 Sep 2016 21:40:20 +0900 [thread overview]
Message-ID: <b3cc8ad938677b304b19fdee1e2612e2@admin.virtall.com> (raw)
In-Reply-To: <a08b61cee6c43de99ac3c6a8cacfdc04@admin.virtall.com>
On 2016-09-25 18:29, Tomasz Chmielewski wrote:
>> I'll try to bisect.
>
> OK, not a kernel regression, but some config change caused it.
> However, I'm not able to locate which change exactly.
>
> I'm attaching two configs which I've tried with 4.7.3 - one results in
> thousands of kworkers, and the other doesn't. Also included a diff
> between them.
>
> Any obvious changes I should try?
The problem is the allocator.
-CONFIG_SLUB=y
+CONFIG_SLAB=y
With SLUB, I'm getting a handful of kworker processes, as expected.
With SLAB, I'm getting thousands of kworker processes.
Not sure if that's expected behaviour or not.
Tomasz Chmielewski
https://lxadm.com
next prev parent reply other threads:[~2016-09-25 12:40 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-09-19 7:08 Tomasz Chmielewski
2016-09-23 13:23 ` Tomasz Chmielewski
2016-09-23 14:10 ` Mike Galbraith
2016-09-23 16:15 ` Tomasz Chmielewski
[not found] ` <a08b61cee6c43de99ac3c6a8cacfdc04@admin.virtall.com>
2016-09-25 12:40 ` Tomasz Chmielewski [this message]
2016-09-25 17:21 ` Mike Galbraith
2016-09-25 18:22 ` Mike Galbraith
2016-09-25 19:07 ` Nikolay Borisov
2016-09-27 3:49 ` Tomasz Chmielewski
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