From: Eric Dumazet <eric.dumazet@gmail.com>
To: Yann Dupont <Yann.Dupont@univ-nantes.fr>
Cc: linux-kernel@vger.kernel.org, netdev <netdev@vger.kernel.org>
Subject: Re: kernel 2.6.37 : oops in cleanup_once
Date: Wed, 02 Feb 2011 16:08:56 +0100 [thread overview]
Message-ID: <1296659336.20445.22.camel@edumazet-laptop> (raw)
In-Reply-To: <4D49726C.6020103@univ-nantes.fr>
Le mercredi 02 février 2011 à 16:04 +0100, Yann Dupont a écrit :
> >
> Ok, will do it at 18:30 CET (to minimize impact)
> It the suspected bug SLUB related ?
>
no : It can be a corruption from another part of kernel.
> The 2.6.34.2 kernel previously used on that server used SLAB.
>
>
> 2 questions :
> -How can I be sure slub_nomerge is active ? Boot message ?
# ls -l /sys/kernel/slab/
If you have symlinks : merge is on (default)
If you dont have symlinks : nomerge is in action
> -Is there a very severe impact on performance ?
>
not at all
> Regards,
>
next prev parent reply other threads:[~2011-02-02 15:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4D491B8D.1000107@univ-nantes.fr>
2011-02-02 10:52 ` kernel 2.6.37 : oops in cleanup_once Eric Dumazet
2011-02-02 11:24 ` Eric Dumazet
2011-02-02 13:08 ` Yann Dupont
2011-02-02 14:53 ` Eric Dumazet
2011-02-02 15:04 ` Yann Dupont
2011-02-02 15:08 ` Eric Dumazet [this message]
2011-02-02 17:59 ` Yann Dupont
2011-03-14 10:44 ` Yann Dupont
2011-03-14 13:14 ` Eric Dumazet
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