linux-kernel - Re: [PATCH v2 04/11] kmem accounting basic infrastructure

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Message-ID: <000001392ac15404-43a3fd2c-a6d3-4985-b173-74bb586ad47c-000000@email.amazonses.com>
Date:	Wed, 15 Aug 2012 14:47:57 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Michal Hocko <mhocko@...e.cz>
cc:	Glauber Costa <glommer@...allels.com>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	cgroups@...r.kernel.org, devel@...nvz.org,
	Johannes Weiner <hannes@...xchg.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	kamezawa.hiroyu@...fujitsu.com,
	David Rientjes <rientjes@...gle.com>,
	Pekka Enberg <penberg@...nel.org>
Subject: Re: [PATCH v2 04/11] kmem accounting basic infrastructure

On Wed, 15 Aug 2012, Michal Hocko wrote:

> > That is not what the kernel does, in general. We assume that if he wants
> > that memory and we can serve it, we should. Also, not all kernel memory
> > is unreclaimable. We can shrink the slabs, for instance. Ying Han
> > claims she has patches for that already...
>
> Are those patches somewhere around?

You can already shrink the reclaimable slabs (dentries / inodes) via
calls to the subsystem specific shrinkers. Did Ying Han do anything to
go beyond that?

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