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From: William Lee Irwin III <wli@holomorphy.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andrew Morton <akpm@digeo.com>, Dave Hansen <haveblue@us.ibm.com>,
	"Martin J. Bligh" <Martin.Bligh@us.ibm.com>,
	linux-kernel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH] per-zone kswapd process
Date: Fri, 13 Sep 2002 14:30:42 -0700	[thread overview]
Message-ID: <20020913213042.GD3530@holomorphy.com> (raw)
In-Reply-To: <1031922352.9056.14.camel@irongate.swansea.linux.org.uk>

On Fri, 2002-09-13 at 05:59, William Lee Irwin III wrote:
>> Machines without observable NUMA effects can benefit from it if it's
>> per-zone. It also follows that if there's more than one task doing this,
>> page replacement is less likely to block entirely. Last, but not least,
>> when I devised it, "per-zone" was the theme.

On Fri, Sep 13, 2002 at 02:05:52PM +0100, Alan Cox wrote:
> It will also increase the amount of disk head thrashing surely ?

I doubt it. Writeout isn't really supposed to happen there in 2.4
either, except under duress. OTOH I've not been doing much with this
directly since rmap10c.


Cheers,
Bill

  reply	other threads:[~2002-09-13 21:31 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-09-13  3:33 Dave Hansen
2002-09-13  4:06 ` Andrew Morton
2002-09-13  4:59   ` William Lee Irwin III
2002-09-13  5:10     ` Martin J. Bligh
     [not found]       ` <3D8232DE.9090000@us.ibm.com>
     [not found]         ` <3D823702.8E29AB4F@digeo.com>
     [not found]           ` <3D8251D6.3060704@us.ibm.com>
     [not found]             ` <3D82566B.EB2939D5@digeo.com>
2002-09-13 22:52               ` [PATCH] per-zone^Wnode " Dave Hansen
2002-09-13 23:24                 ` Matthew Dobson
2002-09-13 23:29                 ` Matthew Dobson
2002-09-13 23:46                 ` William Lee Irwin III
2002-09-14  0:02                   ` Andrew Morton
2002-09-14  0:12                     ` William Lee Irwin III
2002-09-14  1:19                       ` Andrew Morton
2002-09-13  5:46     ` [PATCH] per-zone " Andrew Morton
2002-09-13  5:38       ` Martin J. Bligh
2002-09-13  6:03         ` Andrew Morton
2002-09-13 13:05     ` Alan Cox
2002-09-13 21:30       ` William Lee Irwin III [this message]
2002-09-18 16:07         ` [PATCH] recognize MAP_LOCKED in mmap() call Hubertus Franke
2002-09-18 16:29           ` Andrew Morton
2002-09-16  5:44     ` [PATCH] per-zone kswapd process Daniel Phillips
2002-09-16  7:46       ` William Lee Irwin III
2002-09-16 15:12         ` Rik van Riel

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