From mboxrd@z Thu Jan  1 00:00:00 1970
From: Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: kernel 2.6.37 : oops in cleanup_once
Date: Wed, 02 Feb 2011 16:08:56 +0100
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Cc: linux-kernel@vger.kernel.org, netdev <netdev@vger.kernel.org>
To: Yann Dupont <Yann.Dupont@univ-nantes.fr>
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Le mercredi 02 f=C3=A9vrier 2011 =C3=A0 16:04 +0100, Yann Dupont a =C3=A9=
crit :
> >
> Ok, will do it at 18:30 CET (to minimize impact)
> It the suspected bug SLUB related ?
>=20

no : It can be a corruption from another part of kernel.

> The 2.6.34.2 kernel previously used on that server used SLAB.
>=20
>=20
> 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 ?
>=20

not at all

> Regards,
>=20