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Date: Sun, 20 Apr 2008 22:58:58 -0700 (PDT)
From: Christoph Lameter <clameter@sgi.com>
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To: Pekka J Enberg <penberg@cs.helsinki.fi>
cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org,
       James Bottomley <James.Bottomley@HansenPartnership.com>
Subject: Re: [bug] SCSI/SLUB - latest -git: WARNING: at mm/slub.c:2443
 kmem_cache_destroy, scsi_put_host_cmd_pool()
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On Sat, 19 Apr 2008, Pekka J Enberg wrote:

> > [a few .config options were turned off: just accept all the defaults 
> >  after 'make oldconfig']
> 
> I couldn't spot anything in particular in SLUB which makes me think SCSI 
> code simply didn't free all objects before scsi_put_host_cmd_pool() called 
> kmem_cache_destroy() to kill the cache.
> 
> James, does this make sense or should I just look at SLUB harder?

The WARN is intended to warn that a kmem_cache_destroy was run with 
objects not freed.