linux-kernel - Re: [PATCH v3 05/16] consider a memcg parameter in kmem_create

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Message-ID: <00000139f890a302-980aee84-40b2-433f-8dbd-e7b1d219f00d-000000@email.amazonses.com>
Date:	Mon, 24 Sep 2012 13:56:32 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Glauber Costa <glommer@...allels.com>
cc:	Tejun Heo <tj@...nel.org>,
	"<linux-kernel@...r.kernel.org>" <linux-kernel@...r.kernel.org>,
	"<cgroups@...r.kernel.org>" <cgroups@...r.kernel.org>,
	"<kamezawa.hiroyu@...fujitsu.com>" <kamezawa.hiroyu@...fujitsu.com>,
	"<devel@...nvz.org>" <devel@...nvz.org>,
	"<linux-mm@...ck.org>" <linux-mm@...ck.org>,
	Suleiman Souhlal <suleiman@...gle.com>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Mel Gorman <mgorman@...e.de>,
	David Rientjes <rientjes@...gle.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH v3 05/16] consider a memcg parameter in
 kmem_create_cache

On Mon, 24 Sep 2012, Glauber Costa wrote:

> The reason I say it is orthogonal, is that people will still want to see
> their caches in /proc/slabinfo, regardless of wherever else they'll be.
> It was a requirement from Pekka in one of the first times I posted this,
> IIRC.

They want to see total counts there true. But as I said we already have a
duplication of the statistics otherwise. We have never done the scheme
that you propose. That is unexpected. I would not expect the numbers to be
there.

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