linux-kernel - Re: mm: slub: gpf in deactivate

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Message-ID: <alpine.DEB.2.10.1403261042360.2057@nuc>
Date:	Wed, 26 Mar 2014 10:43:37 -0500 (CDT)
From:	Christoph Lameter <cl@...ux.com>
To:	Sasha Levin <sasha.levin@...cle.com>
cc:	Michal Hocko <mhocko@...e.cz>, Pekka Enberg <penberg@...nel.org>,
	Matt Mackall <mpm@...enic.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: mm: slub: gpf in deactivate_slab

On Tue, 25 Mar 2014, Sasha Levin wrote:

> I'm not sure if there's anything special about this cache, codewise it's
> created as follows:
>
>
>         inode_cachep = kmem_cache_create("inode_cache",
>                                          sizeof(struct inode),
>                                          0,
>                                          (SLAB_RECLAIM_ACCOUNT|SLAB_PANIC|
>                                          SLAB_MEM_SPREAD),
>                                          init_once);
>
>
> I'd be happy to dig up any other info required, I'm just not too sure
> what you mean by options for the cache?

Slab parameters can be change in /sys/kernel/slab/inode. Any debug
parameters active? More information about what was actually going on when
the gpf occured?

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