linux-kernel - Re: [PATCH] mm/slab: add a leak decoder callback

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Date:	Wed, 16 Jan 2013 09:02:30 +0800
From:	Liu Bo <bo.li.liu@...cle.com>
To:	Zach Brown <zab@...bo.net>
Cc:	Christoph Lameter <cl@...ux.com>, linux-mm@...ck.org,
	linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	Pekka Enberg <penberg@...nel.org>
Subject: Re: [PATCH] mm/slab: add a leak decoder callback

On Tue, Jan 15, 2013 at 09:01:05AM -0800, Zach Brown wrote:
> > The merge processing occurs during kmem_cache_create and you are setting
> > up the decoder field afterwards! Wont work.
> 
> In the thread I suggested providing the callback at destruction:
> 
>  http://www.mail-archive.com/linux-btrfs@vger.kernel.org/msg21130.html
> 
> I liked that it limits accesibility of the callback to the only path
> that uses it.

Well, I was trying to avoid API change, but seems we have to, I'll
update the patch as your suggestion in the next version.

thanks,
liubo
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