linux-kernel - Re: [PATCH 10/23] slab/slub: struct memcg

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Message-ID: <CABCjUKDKwJMZioQPBwdiN-SUOW7VQkkBajwbKHUCSz1sdM6dQQ@mail.gmail.com>
Date:	Mon, 30 Apr 2012 12:42:28 -0700
From:	Suleiman Souhlal <suleiman@...gle.com>
To:	Glauber Costa <glommer@...allels.com>
Cc:	cgroups@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, devel@...nvz.org,
	kamezawa.hiroyu@...fujitsu.com, Michal Hocko <mhocko@...e.cz>,
	Johannes Weiner <hannes@...xchg.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Greg Thelen <gthelen@...gle.com>,
	Christoph Lameter <cl@...ux.com>,
	Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: [PATCH 10/23] slab/slub: struct memcg_params

On Fri, Apr 20, 2012 at 2:57 PM, Glauber Costa <glommer@...allels.com> wrote:
> For the kmem slab controller, we need to record some extra
> information in the kmem_cache structure.
>
> Signed-off-by: Glauber Costa <glommer@...allels.com>
> CC: Christoph Lameter <cl@...ux.com>
> CC: Pekka Enberg <penberg@...helsinki.fi>
> CC: Michal Hocko <mhocko@...e.cz>
> CC: Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
> CC: Johannes Weiner <hannes@...xchg.org>
> CC: Suleiman Souhlal <suleiman@...gle.com>
> ---
>  include/linux/slab.h     |   15 +++++++++++++++
>  include/linux/slab_def.h |    4 ++++
>  include/linux/slub_def.h |    3 +++
>  3 files changed, 22 insertions(+), 0 deletions(-)
>
> diff --git a/include/linux/slab.h b/include/linux/slab.h
> index a595dce..a5127e1 100644
> --- a/include/linux/slab.h
> +++ b/include/linux/slab.h
> @@ -153,6 +153,21 @@ unsigned int kmem_cache_size(struct kmem_cache *);
>  #define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
>  #endif
>
> +#ifdef CONFIG_CGROUP_MEM_RES_CTLR_KMEM
> +struct mem_cgroup_cache_params {
> +       struct mem_cgroup *memcg;
> +       int id;
> +
> +#ifdef CONFIG_SLAB
> +       /* Original cache parameters, used when creating a memcg cache */
> +       size_t orig_align;
> +       atomic_t refcnt;
> +
> +#endif
> +       struct list_head destroyed_list; /* Used when deleting cpuset cache */

s,cpuset,memcg,

Sorry about that.

-- Suleiman
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