linux-kernel - Re: [PATCH] mm: evict streaming IO cache first

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Message-ID: <alpine.LFD.2.00.0811161013270.3468@nehalem.linux-foundation.org>
Date:	Sun, 16 Nov 2008 10:15:06 -0800 (PST)
From:	Linus Torvalds <torvalds@...ux-foundation.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>,
	LKML <linux-kernel@...r.kernel.org>,
	linux-mm <linux-mm@...ck.org>, Rik van Riel <riel@...hat.com>,
	Gene Heskett <gene.heskett@...il.com>
Subject: Re: [PATCH] mm: evict streaming IO cache first



On Sat, 15 Nov 2008, Andrew Morton wrote:
> 
> Really, I think that the old approach of observing the scanner
> behaviour (rather than trying to predict it) was better.

That's generally true. Self-adjusting behaviour rather than a-priori rules 
would be much nicer. However, we apparently need to fix this some way. 
Anybody willing to re-introduce some of the old logic?

		Linus
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