From mboxrd@z Thu Jan  1 00:00:00 1970
From: Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [PATCH] writeback: prevent bandwidth calculation overflow
Date: Thu, 18 Nov 2010 17:02:01 +0100
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	 <20101118154408.GA18582@localhost>
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Cc: Rik van Riel <riel@redhat.com>, Andrew Morton
 <akpm@linux-foundation.org>,  Jan Kara <jack@suse.cz>, "Li, Shaohua"
 <shaohua.li@intel.com>, Christoph Hellwig <hch@lst.de>,  Dave Chinner
 <david@fromorbit.com>, Theodore Ts'o <tytso@mit.edu>, Chris Mason
 <chris.mason@oracle.com>,  Mel Gorman <mel@csn.ul.ie>, KOSAKI Motohiro
 <kosaki.motohiro@jp.fujitsu.com>, linux-mm <linux-mm@kvack.org>,
 "linux-fsdevel@vger.kernel.org" <linux-fsdevel@vger.kernel.org>, LKML
 <linux-kernel@vger.kernel.org>
To: Wu Fengguang <fengguang.wu@intel.com>
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On Thu, 2010-11-18 at 23:44 +0800, Wu Fengguang wrote:
> +               pause =3D HZ * pages_dirtied / (bw + 1);

Shouldn't that be using something like div64_u64 ?

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