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Date: Thu, 22 May 2014 17:47:28 +0400
From: Vladimir Davydov <vdavydov@parallels.com>
To: Christoph Lameter <cl@linux.com>
CC: <hannes@cmpxchg.org>, <mhocko@suse.cz>, <akpm@linux-foundation.org>,
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Subject: Re: [PATCH RFC 3/3] slub: reparent memcg caches' slabs on memcg
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On Wed, May 21, 2014 at 07:13:21PM -0500, Christoph Lameter wrote:
> On Wed, 21 May 2014, Vladimir Davydov wrote:
> 
> > Do I understand you correctly that the following change looks OK to you?
> 
> Almost. Preemption needs to be enabled before functions that invoke the
> page allocator etc etc.

I need to disable preemption only in slab_free, which never blocks
according to its semantics, so everything should be fine just like that.