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Date: Fri, 13 Sep 2002 14:30:42 -0700
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>,
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Subject: Re: [PATCH] per-zone kswapd process
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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