linux-kernel - Re: [PATCH 1/2] memcg: move memcg_{alloc,free}_cache_params to slab

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Date:	Mon, 22 Sep 2014 16:08:25 -0400
From:	Johannes Weiner <hannes@...xchg.org>
To:	Vladimir Davydov <vdavydov@...allels.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-mm@...ck.org,
	Michal Hocko <mhocko@...e.cz>, Christoph Lameter <cl@...ux.com>
Subject: Re: [PATCH 1/2] memcg: move memcg_{alloc,free}_cache_params to
 slab_common.c

On Thu, Sep 18, 2014 at 07:50:19PM +0400, Vladimir Davydov wrote:
> The only reason why they live in memcontrol.c is that we get/put css
> reference to the owner memory cgroup in them. However, we can do that in
> memcg_{un,}register_cache.
> 
> So let's move them to slab_common.c and make them static.
> 
> Signed-off-by: Vladimir Davydov <vdavydov@...allels.com>
> Cc: Johannes Weiner <hannes@...xchg.org>
> Cc: Michal Hocko <mhocko@...e.cz>
> Cc: Christoph Lameter <cl@...ux.com>

Cool, so you get rid of the back-and-forth between memcg and slab, and
thereby also shrink the public memcg interface.

Acked-by: Johannes Weiner <hannes@...xchg.org>
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