linux-kernel - Re: [PATCH 3/3] vmscan: merge duplicate code in shrink_active

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Message-ID: <28c262360905161824p7022748esb0f8600a8317eab9@mail.gmail.com>
Date:	Sun, 17 May 2009 10:24:13 +0900
From:	Minchan Kim <minchan.kim@...il.com>
To:	Wu Fengguang <fengguang.wu@...el.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Rik van Riel <riel@...hat.com>,
	Christoph Lameter <cl@...ux-foundation.org>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	"hannes@...xchg.org" <hannes@...xchg.org>,
	"peterz@...radead.org" <peterz@...radead.org>,
	"tytso@....edu" <tytso@....edu>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"elladan@...imo.com" <elladan@...imo.com>,
	"npiggin@...e.de" <npiggin@...e.de>
Subject: Re: [PATCH 3/3] vmscan: merge duplicate code in shrink_active_list()

On Sat, May 16, 2009 at 6:00 PM, Wu Fengguang <fengguang.wu@...el.com> wrote:
> The "move pages to active list" and "move pages to inactive list"
> code blocks are mostly identical and can be served by a function.
>
> Thanks to Andrew Morton for pointing this out.
>
> Note that buffer_heads_over_limit check will also be carried out
> for re-activated pages, which is slightly different from pre-2.6.28
> kernels. Also, Rik's "vmscan: evict use-once pages first" patch
> could totally stop scans of active list when memory pressure is low.

To clarify, active file list. otherwise is good to me.
Thanks for your great effort to enhance VM. :)

> CC: Rik van Riel <riel@...hat.com>
> Signed-off-by: Wu Fengguang <fengguang.wu@...el.com>

Reviewed-by: Minchan Kim <minchan.kim@...il.com>

-- 
Kinds regards,
Minchan Kim
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