linux-kernel - Re: [PATCH]vmscan: handle underflow for get_scan

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Message-ID: <4BBF9B34.5040909@redhat.com>
Date:	Fri, 09 Apr 2010 17:25:08 -0400
From:	Rik van Riel <riel@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>
CC:	Shaohua Li <shaohua.li@...el.com>,
	"Wu, Fengguang" <fengguang.wu@...el.com>,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH]vmscan: handle underflow for get_scan_ratio

On 04/09/2010 05:20 PM, Andrew Morton wrote:

> Come to that, it's not obvious that we need this in 2.6.34 either.  What
> is the user-visible impact here?

I suspect very little impact, especially during workloads
where we can just reclaim clean page cache at DEF_PRIORITY.
FWIW, the patch looks good to me, so:

Acked-by: Rik van Riel <riel@...hat.com>

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