linux-kernel - Re: [PATCH 4/9] slab: reorganize memcg_cache

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Message-ID: <20170114133000.GC2668@esperanza>
Date:   Sat, 14 Jan 2017 16:30:00 +0300
From:   Vladimir Davydov <vdavydov@...antool.org>
To:     Tejun Heo <tj@...nel.org>
Cc:     cl@...ux.com, penberg@...nel.org, rientjes@...gle.com,
        iamjoonsoo.kim@....com, akpm@...ux-foundation.org, jsvana@...com,
        hannes@...xchg.org, linux-kernel@...r.kernel.org,
        linux-mm@...ck.org, cgroups@...r.kernel.org, kernel-team@...com
Subject: Re: [PATCH 4/9] slab: reorganize memcg_cache_params

On Sat, Jan 14, 2017 at 12:54:44AM -0500, Tejun Heo wrote:
> We're gonna change how memcg caches are iterated.  In preparation,
> clean up and reorganize memcg_cache_params.
> 
> * The shared ->list is replaced by ->children in root and
>   ->children_node in children.
> 
> * ->is_root_cache is removed.  Instead ->root_cache is moved out of
>   the child union and now used by both root and children.  NULL
>   indicates root cache.  Non-NULL a memcg one.
> 
> This patch doesn't cause any observable behavior changes.
> 
> Signed-off-by: Tejun Heo <tj@...nel.org>
> Cc: Vladimir Davydov <vdavydov.dev@...il.com>
> Cc: Christoph Lameter <cl@...ux.com>
> Cc: Pekka Enberg <penberg@...nel.org>
> Cc: David Rientjes <rientjes@...gle.com>
> Cc: Joonsoo Kim <iamjoonsoo.kim@....com>
> Cc: Andrew Morton <akpm@...ux-foundation.org>

Acked-by: Vladimir Davydov <vdavydov.dev@...il.com>