linux-kernel - Re: [PATCH V2] mm/slab: add a leak decoder callback

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Message-ID: <20130118011258.GE6768@liubo>
Date:	Fri, 18 Jan 2013 09:12:59 +0800
From:	Liu Bo <bo.li.liu@...cle.com>
To:	Miao Xie <miaox@...fujitsu.com>
Cc:	linux-mm@...ck.org, linux-kernel@...r.kernel.org,
	linux-btrfs@...r.kernel.org, zab@...bo.net, cl@...ux.com,
	penberg@...nel.org
Subject: Re: [PATCH V2] mm/slab: add a leak decoder callback

On Wed, Jan 16, 2013 at 01:34:38PM +0800, Miao Xie wrote:
> On wed, 16 Jan 2013 11:03:13 +0800, Liu Bo wrote:
> > This adds a leak decoder callback so that slab destruction
> > can use to generate debugging output for the allocated objects.
> > 
> > Callers like btrfs are using their own leak tracking which will
> > manage allocated objects in a list(or something else), this does
> > indeed the same thing as what slab does.  So adding a callback
> > for leak tracking can avoid this as well as runtime overhead.
> 
> If the slab is merged with the other one, this patch can work well?

Yes and no, so I'll disable merging slab in the next version :)

thanks,
liubo
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