linux-kernel - Re: kernel: smp: WARNING at kernel/smp.c:673

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: <alpine.DEB.2.11.1408041100240.9968@gentwo.org>
Date:	Mon, 4 Aug 2014 11:00:44 -0500 (CDT)
From:	Christoph Lameter <cl@...two.org>
To:	Tejun Heo <htejun@...il.com>
cc:	Sasha Levin <sasha.levin@...cle.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Dave Jones <davej@...hat.com>, Matt Mackall <mpm@...enic.com>,
	Gilad Ben-Yossef <gilad@...yossef.com>,
	Jens Axboe <axboe@...com>, Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Joonsoo Kim <iamjoonsoo.kim@....com>
Subject: Re: kernel: smp: WARNING at kernel/smp.c:673

On Mon, 4 Aug 2014, Tejun Heo wrote:

> > Yuck. I meant cgroup code. There were some patches that were suggesting a
> > shrink operation when taking down a cgroup. Does that also apply to per
> > cpu downing?
>
> Heh, I have no idea what you're talking about.  cgroup currently
> doesn't do anything like that.  It doesn't even make use of the cpu
> hotplug hooks.

Something is running a kmem_cache_shrink from cpu down hooks. Thats weird.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/