linux-kernel - Re: [PATCH v3 07/16] memcg: skip memcg kmem allocations in specified code regions

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Message-ID: <20120924174742.GC7694@google.com>
Date:	Mon, 24 Sep 2012 10:47:42 -0700
From:	Tejun Heo <tj@...nel.org>
To:	Glauber Costa <glommer@...allels.com>
Cc:	linux-kernel@...r.kernel.org, cgroups@...r.kernel.org,
	kamezawa.hiroyu@...fujitsu.com, devel@...nvz.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>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>
Subject: Re: [PATCH v3 07/16] memcg: skip memcg kmem allocations in
 specified code regions

Hello,

On Mon, Sep 24, 2012 at 01:09:23PM +0400, Glauber Costa wrote:
> > I can't say I'm a big fan of this approach.  If there are enough
> > users, maybe but can't we just annotate the affected allocations
> > explicitly?  Is this gonna have many more users?
> 
> What exactly do you mean by annotating the affected allocations?

IOW, can't you just pass down an extra argument / flag / whatever
instead?

Thanks.

-- 
tejun
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