From: Dave Hansen <haveblue@us.ibm.com>
To: linux-ia64@vger.kernel.org
Subject: Re: [Lse-tech] Re: fix zonelist ordering for NUMA
Date: Thu, 26 Feb 2004 23:40:33 +0000 [thread overview]
Message-ID: <1077838833.2131.362.camel@nighthawk> (raw)
In-Reply-To: <100070000.1077834062@flay>
On Thu, 2004-02-26 at 14:21, Martin J. Bligh wrote:
> Also, I seem to recall those build_zonelists functions are used for both
> NUMA and UMA ... now they're getting complex enough that it's probably
> worth making a specific non-NUMA version, if only for the sanity of
> 99% of the poor souls trying to work out how a UMA machine lays it out ;-)
>
> It looks like it won't change ordering for existing boxes with single
> layer flat NUMA topologies (round-robin), but we probably ought to check
> that carefully ;-)
More ifdefs just make the code messier. How about adding a nice comment
explaining that UMA will fall right through the loop, and giving the
poor souls a temporary reprieve?
-- dave
next prev parent reply other threads:[~2004-02-26 23:40 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-02-26 22:21 [Lse-tech] Re: fix zonelist ordering for NUMA Martin J. Bligh
2004-02-26 23:09 ` Matthew Dobson
2004-02-26 23:40 ` Dave Hansen [this message]
2004-02-26 23:54 ` Martin J. Bligh
2004-02-27 0:47 ` Chris Wedgwood
2004-02-27 0:56 ` Martin J. Bligh
2004-02-27 5:38 ` j-nomura
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