From mboxrd@z Thu Jan  1 00:00:00 1970
From: Tejun Heo <tj@kernel.org>
Subject: Re: [PATCH v2 4/6] slab: add SLAB_ACCOUNT flag
Date: Wed, 11 Nov 2015 11:19:04 -0500
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To: Vladimir Davydov <vdavydov@virtuozzo.com>
Cc: Andrew Morton <akpm@linux-foundation.org>, Johannes Weiner <hannes@cmpxchg.org>, Michal Hocko <mhocko@kernel.org>, Greg Thelen <gthelen@google.com>, Christoph Lameter <cl@linux.com>, Pekka Enberg <penberg@kernel.org>, David Rientjes <rientjes@google.com>, Joonsoo Kim <iamjoonsoo.kim@lge.com>, linux-mm@kvack.org, cgroups@vger.kernel.org, linux-kernel@vger.kernel.org

Hello, Vladimir.

On Wed, Nov 11, 2015 at 07:07:19PM +0300, Vladimir Davydov wrote:
> What about external_name allocation in __d_alloc? Is it occasional?
> Depends on the workload I guess. Can we create a separate cache for it?
> No, because its size is variable. There are other things like that, e.g.
> pipe_buffer array.

You're right.  Ah, it was so close. :(

-- 
tejun