linux-kernel - Re: [PATCH 05/16] slab: remove cachep in struct slab

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Message-ID: <00000140a72870a6-f7c87696-ecbc-432c-9f41-93f414c0c623-000000@email.amazonses.com>
Date:	Thu, 22 Aug 2013 17:53:00 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
cc:	Pekka Enberg <penberg@...nel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Joonsoo Kim <js1304@...il.com>,
	David Rientjes <rientjes@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 05/16] slab: remove cachep in struct slab_rcu

On Thu, 22 Aug 2013, Joonsoo Kim wrote:

> We can get cachep using page in struct slab_rcu, so remove it.

Ok but this means that we need to touch struct page. Additional cacheline
in cache footprint.
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