Re: kernel 2.6.37 : oops in cleanup_once

Eric Dumazet
2011-02-02T15:08:56Z

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,
>