linux-kernel - Re: [PATCH -mm 2/8] memcg: destroy kmem caches when last slab is freed

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Date:	Fri, 30 May 2014 09:32:52 -0500 (CDT)
From:	Christoph Lameter <cl@...two.org>
To:	Vladimir Davydov <vdavydov@...allels.com>
cc:	akpm@...ux-foundation.org, hannes@...xchg.org, mhocko@...e.cz,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org
Subject: Re: [PATCH -mm 2/8] memcg: destroy kmem caches when last slab is
 freed

On Fri, 30 May 2014, Vladimir Davydov wrote:

> When the memcg_cache_params->refcnt goes to 0, schedule the worker that
> will unregister the cache. To prevent this from happening when the owner
> memcg is alive, keep the refcnt incremented during memcg lifetime.

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

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