linux-kernel - Re: [PATCH -mm v3 7/8] slub: make dead memcg caches discard free slabs immediately

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Message-ID: <alpine.DEB.2.10.1406131153520.913@gentwo.org>
Date:	Fri, 13 Jun 2014 11:54:11 -0500 (CDT)
From:	Christoph Lameter <cl@...two.org>
To:	Vladimir Davydov <vdavydov@...allels.com>
cc:	akpm@...ux-foundation.org, iamjoonsoo.kim@....com,
	rientjes@...gle.com, penberg@...nel.org, hannes@...xchg.org,
	mhocko@...e.cz, linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH -mm v3 7/8] slub: make dead memcg caches discard free
 slabs immediately

On Fri, 13 Jun 2014, Vladimir Davydov wrote:

> Since a dead memcg cache is destroyed only after the last slab allocated
> to it is freed, we must disable caching of empty slabs for such caches,
> otherwise they will be hanging around forever.

Looks good and clean.

Acked-by: Christoph Lameter <cl@...ux.com>
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