linux-kernel - Re: [PATCH v6 25/29] memcg/sl[au]b: shrink dead caches

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Message-ID: <0000013ae6c7ac4a-138f8469-5fa2-4a2e-b569-0717659f0c9e-000000@email.amazonses.com>
Date:	Fri, 9 Nov 2012 20:06:16 +0000
From:	Christoph Lameter <cl@...ux.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Glauber Costa <glommer@...allels.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, kamezawa.hiroyu@...fujitsu.com,
	Johannes Weiner <hannes@...xchg.org>,
	Tejun Heo <tj@...nel.org>, Michal Hocko <mhocko@...e.cz>,
	Pekka Enberg <penberg@...nel.org>,
	David Rientjes <rientjes@...gle.com>,
	Pekka Enberg <penberg@...helsinki.fi>,
	Suleiman Souhlal <suleiman@...gle.com>,
	Robert Moore <robert.moore@...el.com>,
	Len Brown <lenb@...nel.org>, "Brown, Len" <len.brown@...el.com>
Subject: Re: [PATCH v6 25/29] memcg/sl[au]b: shrink dead caches

On Thu, 8 Nov 2012, Andrew Morton wrote:

> I'd still like to give ACPI a thwap.  That kmem_cache_shrink() in
> drivers/acpi/osl.c was added unchangelogged in a megapatch
> (73459f73e5d1602c59) so it's a mystery.  Cc's optimistically added.

It does not hurt though and releasing cache objects when there will be no
objects added and removed from a slab cache is a good thing to do.
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