linux-kernel - Re: [PATCH 2/10] mm/memcg: move reclaim

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Message-Id: <20120221170538.84461d91.kamezawa.hiroyu@jp.fujitsu.com>
Date:	Tue, 21 Feb 2012 17:05:38 +0900
From:	KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	Hugh Dickins <hughd@...gle.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Konstantin Khlebnikov <khlebnikov@...nvz.org>,
	Johannes Weiner <hannes@...xchg.org>,
	Ying Han <yinghan@...gle.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/10] mm/memcg: move reclaim_stat into lruvec

On Mon, 20 Feb 2012 15:29:37 -0800 (PST)
Hugh Dickins <hughd@...gle.com> wrote:

> With mem_cgroup_disabled() now explicit, it becomes clear that the
> zone_reclaim_stat structure actually belongs in lruvec, per-zone
> when memcg is disabled but per-memcg per-zone when it's enabled.
> 
> We can delete mem_cgroup_get_reclaim_stat(), and change
> update_page_reclaim_stat() to update just the one set of stats,
> the one which get_scan_count() will actually use.
> 
> Signed-off-by: Hugh Dickins <hughd@...gle.com>

Seems nice to me.

Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@...fujitsu.com>

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