linux-kernel - Re: [PATCH -mm v3 8/8] slab: do not keep free objects/slabs on dead memcg caches

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Message-ID: <alpine.DEB.2.11.1406301048070.19422@gentwo.org>
Date:	Mon, 30 Jun 2014 10:49:03 -0500 (CDT)
From:	Christoph Lameter <cl@...two.org>
To:	Joonsoo Kim <iamjoonsoo.kim@....com>
cc:	Vladimir Davydov <vdavydov@...allels.com>,
	akpm@...ux-foundation.org, 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 8/8] slab: do not keep free objects/slabs on dead
 memcg caches

On Fri, 27 Jun 2014, Joonsoo Kim wrote:

> Christoph,
> Is it tolerable result for large scale system? Or do we need to find
> another solution?


The overhead is pretty intense but then this is a rare event I guess?

It seems that it is much easier on the code and much faster to do the
periodic reaping. Why not simply go with that?


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