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Date: Thu, 12 Sep 2002 23:03:00 -0700
From: Andrew Morton <akpm@digeo.com>
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To: "Martin J. Bligh" <mbligh@aracnet.com>
CC: William Lee Irwin III <wli@holomorphy.com>,
       Dave Hansen <haveblue@us.ibm.com>, linux-kernel@vger.kernel.org,
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Subject: Re: [PATCH] per-zone kswapd process
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"Martin J. Bligh" wrote:
> 
> ..
> Can we make a simple default of 1 per node, which is what 99%
> of people want, and then make it more complicated later if people
> complain? It's really pretty easy:
> 
> for (node = 0; node < numnodes; ++node) {
>         kswapd = kick_off_kswapd_for_node(node);
>         kswapd->cpus_allowed = node_to_cpus(node);
> }

Seems sane.
 
> Or whatever the current cpus_allowed method is. All we seem to need
> is node_to_cpus ... I can give that to you tommorow with no problem,
> it's trivial.

Tomorrow sounds too early - it'd be nice to get some before-n-after
performance testing to go along with that patch ;)