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Date:	Wed, 17 Nov 2010 11:22:01 -0500
From:	Rik van Riel <>
To:	Minchan Kim <>
CC:	Peter Zijlstra <>,
	KOSAKI Motohiro <>,
	Ben Gamari <>,,,, Wu Fengguang <>
Subject: Re: fadvise DONTNEED implementation (or lack thereof)

On 11/17/2010 05:16 AM, Minchan Kim wrote:

> Absolutely. But how about rsync's two touch?
> It can evict working set.
> I need the time for investigation.
> Thanks for the comment.

touches from promoting the page to the active list?

Then we just need to make sure rsync uses fadvise properly
to keep the working set protected from rsync.

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