Date: Mon, 03 Oct 2005 14:26:49 +0900 (JST)
Message-Id: <20051003.142649.56153089.taka@valinux.co.jp>
To: pj@sgi.com
Cc: magnus.damm@gmail.com, haveblue@us.ibm.com, magnus@valinux.co.jp,
       linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 00/07][RFC] i386: NUMA emulation
From: Hirokazu Takahashi <taka@valinux.co.jp>
In-Reply-To: <aec7e5c30510022205o770b6335o96d9a9d9cc5d7397@mail.gmail.com>
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	<20051002202157.7b54253d.pj@sgi.com>
	<aec7e5c30510022205o770b6335o96d9a9d9cc5d7397@mail.gmail.com>
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Hi,

> > In theory at least, I applaud Magnus's work here.  The assymetry of the
> > SMP/NUMA define structure has always annoyed me slightly, and only been
> > explainable in my view as a consequence of the historical order of
> > development.  I had a PC with a second memory board in an ISA slot,
> > which would qualify as a one CPU, two Memory Node system.
> >
> > Or what byte us in the future (that PC was a long time ago), the kinks
> > in the current setup might be a hitch in our side as we extend to
> > increasingly interesting architectures.
> 
> Nice to hear that you like the idea.
> 
> Maybe I should have broken down my patches into three smaller sets:
> 
> 1) i386: NUMA without SMP
> 2) CPUSETS: NUMA || SMP
> 3) i386: NUMA emulation
> 
> If people like 1) then it's probably a good idea to convert other
> architectures too. Both 2) and 3) above are separate but related
> issues. And now seems like a good time to solve 2).
> 
> So, Paul, please let me know if you prefer SMP || NUMA or no
> depencencies in the Kconfig. When I know that I will create a new
> patch that hopefully can get into -mm later on.

The latter seems a good idea to me if you're going to enhance CPUSETS
acceptable for CPUMETER or something like that.

Thanks.
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