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From: Daniel Phillips <phillips@arcor.de>
To: Andrew Morton <akpm@zip.com.au>, Rik van Riel <riel@conectiva.com.br>
Cc: "linux-mm@kvack.org" <linux-mm@kvack.org>
Subject: Re: inactive_dirty list
Date: Sun, 8 Sep 2002 23:21:43 +0200	[thread overview]
Message-ID: <E17oGD3-0006li-00@starship> (raw)
In-Reply-To: <3D793B9E.AAAC36CA@zip.com.au>

On Saturday 07 September 2002 01:34, Andrew Morton wrote:
> You're proposing that we get that IO underway sooner if there
> is page reclaim pressure, and that one way to do that is to
> write one page for every reclaimed one.  Guess that makes
> sense as much as anything else ;)

Not really.  The correct formula will incorporate the allocation rate and the 
inactive dirty/clean balance.  The reclaim rate is not relevant, it is a 
time-delayed consequence of the above.  Relying on it in a control loop is 
simply asking for oscillation.

-- 
Daniel
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  parent reply	other threads:[~2002-09-08 21:21 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-06 20:42 Andrew Morton
2002-09-06 21:03 ` Rik van Riel
2002-09-06 21:40   ` Andrew Morton
2002-09-06 21:49     ` Rik van Riel
2002-09-06 21:58       ` Andrew Morton
2002-09-06 22:04         ` Rik van Riel
2002-09-06 22:19           ` Andrew Morton
2002-09-06 22:23             ` Rik van Riel
2002-09-06 22:48               ` Andrew Morton
2002-09-06 23:03                 ` Rik van Riel
2002-09-06 23:34                   ` Andrew Morton
2002-09-07  0:00                     ` Rik van Riel
2002-09-07  0:29                       ` Andrew Morton
2002-09-08 21:21                     ` Daniel Phillips [this message]
2002-09-06 22:22           ` Rik van Riel
2002-09-07  2:14 ` Andrew Morton
2002-09-07  2:10   ` Rik van Riel
2002-09-07  5:28     ` Andrew Morton

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