From: William Lee Irwin III <wli@holomorphy.com>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: Marc Singer <elf@buici.com>, Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: vmscan.c heuristic adjustment for smaller systems
Date: Sat, 17 Apr 2004 21:17:48 -0700 [thread overview]
Message-ID: <20040418041748.GW743@holomorphy.com> (raw)
In-Reply-To: <4081F809.4030606@yahoo.com.au>
On Sun, Apr 18, 2004 at 01:37:45PM +1000, Nick Piggin wrote:
> swappiness is pretty arbitrary and unfortunately it means
> different things to machines with different sized memory.
> Also, once you *have* gone past the reclaim_mapped threshold,
> mapped pages aren't really given any preference above
> unmapped pages.
> I have a small patchset which splits the active list roughly
> into mapped and unmapped pages. It might hopefully solve your
> problem. Would you give it a try? It is pretty stable here.
It would be interesting to see the results of this on Marc's system.
It's a more comprehensive solution than tweaking numbers.
-- wli
next prev parent reply other threads:[~2004-04-18 4:17 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-17 19:38 vmscan.c heuristic adjustment for smaller systems William Lee Irwin III
2004-04-17 21:29 ` Marc Singer
2004-04-17 21:33 ` William Lee Irwin III
2004-04-17 21:52 ` Marc Singer
2004-04-18 1:06 ` William Lee Irwin III
2004-04-18 5:05 ` Marc Singer
2004-04-17 23:21 ` Andrew Morton
2004-04-17 23:30 ` Marc Singer
2004-04-17 23:51 ` Andrew Morton
2004-04-18 0:11 ` Trond Myklebust
2004-04-18 0:23 ` Marc Singer
2004-04-18 3:37 ` Nick Piggin
2004-04-18 4:17 ` William Lee Irwin III [this message]
2004-04-18 4:41 ` Nick Piggin
2004-04-18 5:10 ` Marc Singer
2004-04-18 5:19 ` Nick Piggin
2004-04-18 5:35 ` Marc Singer
2004-04-18 5:41 ` Nick Piggin
2004-04-18 23:44 ` Marc Singer
2004-04-18 9:29 ` Russell King
2004-04-18 1:59 ` William Lee Irwin III
2004-04-18 3:53 ` Andrew Morton
2004-04-18 5:38 ` Marc Singer
2004-04-18 5:52 ` Andrew Morton
2004-04-18 6:15 ` Marc Singer
2004-04-19 0:26 ` Rik van Riel
2004-04-19 0:39 ` Marc Singer
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