From: William Lee Irwin III <wli@holomorphy.com>
To: Daniel Phillips <phillips@arcor.de>
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: Mon, 16 Sep 2002 00:46:02 -0700 [thread overview]
Message-ID: <20020916074602.GK3530@holomorphy.com> (raw)
In-Reply-To: <E17qogR-0000HR-00@starship>
On Thu, Sep 12, 2002 at 09:06:20PM -0700, Andrew Morton wrote:
>>> I still don't see why it's per zone and not per node. It seems strange
>>> that a wee little laptop would be running two kswapds?
>>> kswapd can get a ton of work done in the development VM and one per
>>> node would, I expect, suffice?
On Friday 13 September 2002 06:59, William Lee Irwin III wrote:
>> Machines without observable NUMA effects can benefit from it if it's
>> per-zone.
On Mon, Sep 16, 2002 at 07:44:30AM +0200, Daniel Phillips wrote:
> How?
The notion was that some level of parallelism would be bestowed on the
single-node case by using separate worker threads on a per-zone basis,
as they won't have more than one node to spawn worker threads for at all.
This notion apparently got shot down somewhere, and I don't care to rise
to its defense. I've lost enough debates this release to know better than
to try.
Bill
next prev parent reply other threads:[~2002-09-16 7:46 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
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 [this message]
2002-09-16 15:12 ` Rik van Riel
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