From: Daniel Phillips <phillips@arcor.de>
To: Andrew Morton <akpm@digeo.com>, Rik van Riel <riel@conectiva.com.br>
Cc: William Lee Irwin III <wli@holomorphy.com>,
sfkaplan@cs.amherst.edu, linux-mm@kvack.org
Subject: Re: [PATCH] modified segq for 2.5
Date: Tue, 10 Sep 2002 00:46:50 +0200 [thread overview]
Message-ID: <E17oXIx-0006vb-00@starship> (raw)
In-Reply-To: <3D7C6C0A.1BBEBB2D@digeo.com>
On Monday 09 September 2002 11:38, Andrew Morton wrote:
> One thing this patch did do was to speed up the initial untar of
> the kernel source - 50 seconds down to 25. That'll be due to not
> having so much dirt on the inactive list. The "nonblocking page
> reclaim" code (needs a better name...)
Nonblocking kswapd, no? Perhaps 'kscand' would be a better name, now.
> ...does that in 18 secs.
Woohoo! I didn't think it would make *that* much difference, did you
dig into why?
My reason for wanting nonblocking kswapd has always been to be able to
untangle the multiple-simultaneous-scanners mess, which we are now in
a good position to do. Erm, it never occurred to me it would be as easy
as checking whether the page *might* block and skipping it if so.
--
Daniel
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next prev parent reply other threads:[~2002-09-09 22:46 UTC|newest]
Thread overview: 28+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-08-15 14:24 Rik van Riel
2002-09-09 9:38 ` Andrew Morton
2002-09-09 11:40 ` Ed Tomlinson
2002-09-09 17:10 ` William Lee Irwin III
2002-09-09 18:58 ` Andrew Morton
2002-09-09 13:10 ` Rik van Riel
2002-09-09 19:03 ` Andrew Morton
2002-09-09 19:25 ` Rik van Riel
2002-09-09 19:55 ` Andrew Morton
2002-09-09 20:03 ` Rik van Riel
2002-09-09 20:51 ` Andrew Morton
2002-09-09 20:57 ` Andrew Morton
2002-09-09 21:09 ` Rik van Riel
2002-09-09 21:52 ` Andrew Morton
2002-09-09 22:41 ` Rik van Riel
2002-09-10 0:17 ` Daniel Phillips
2002-09-09 22:49 ` William Lee Irwin III
2002-09-09 22:54 ` Rik van Riel
2002-09-09 23:32 ` William Lee Irwin III
2002-09-09 23:53 ` Rik van Riel
2002-09-09 22:46 ` Daniel Phillips [this message]
2002-09-09 22:58 ` Andrew Morton
2002-09-09 23:40 ` William Lee Irwin III
2002-09-10 0:02 ` Andrew Morton
2002-09-10 0:21 ` William Lee Irwin III
2002-09-10 1:13 ` Andrew Morton
2002-09-10 1:50 ` Daniel Phillips
2002-09-10 2:02 ` Rik van Riel
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