linux-kernel - Re: [PATCH] VM: Implements the swap-out page-clustering technique

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Message-ID: <48C471AE.8060809@acm.org>
Date:	Sun, 07 Sep 2008 18:28:30 -0600
From:	Zan Lynx <zlynx@....org>
To:	Rik van Riel <riel@...hat.com>
CC:	Andi Kleen <andi@...stfloor.org>,
	"Hamid R. Jahanjou" <hamid.jahanjou@...il.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] VM: Implements the swap-out page-clustering technique

Rik van Riel wrote:
[cut]
> On the other hand, you do want to avoid evicting data 
> that the process is still using, just because you are 
> swapping out a not recently referenced page on a
> nearby virtual address.

How about writing the nearby pages to swap anyway and mark the still 
in-use pages as SwapCache.
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