linux-kernel - Re: [PATCH v3 5/5] slab: make more slab management structure off the slab

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Message-ID: <20131203021308.GE31168@lge.com>
Date:	Tue, 3 Dec 2013 11:13:08 +0900
From:	Joonsoo Kim <iamjoonsoo.kim@....com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Pekka Enberg <penberg@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	David Rientjes <rientjes@...gle.com>,
	Wanpeng Li <liwanp@...ux.vnet.ibm.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 5/5] slab: make more slab management structure off the
 slab

On Mon, Dec 02, 2013 at 02:58:41PM +0000, Christoph Lameter wrote:
> On Mon, 2 Dec 2013, Joonsoo Kim wrote:
> 
> > Now, the size of the freelist for the slab management diminish,
> > so that the on-slab management structure can waste large space
> > if the object of the slab is large.
> 
> Hmmm.. That is confusing to me. "Since the size of the freelist has shrunk
> significantly we have to adjust the heuristic for making the on/off slab
> placement decision"?
> 
> Make this clearer.

Yes. your understanding is right.
I will replace above line with yours.

Thanks.

> 
> Acked-by: Christoph Lameter <cl@...ux.com>

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