Re: [patch 2/4] add x86-64 Kconfig options for sparsemem

[Matt Tolentino]

>From: Andi Kleen <ak@xxxxxx>
>On Wed, May 18, 2005 at 08:24:41AM -0700, Matt Tolentino wrote:
>> 
>> Add the requisite arch specific Kconfig options to enable 
>> the use of the sparsemem implementation for NUMA kernels
>> on x86-64.
>
>How much did you test sparsemem on x86-64 NUMA ? 
>
>There are various cases that probably need to be checked,
>AMD with SRAT, AMD without SRAT, AMD with more than 4GB RAM, 
>Summit(?), NUMA EMULATION etc.
>
>If all that works I would have no problem with removing the
>old code.

As my disclaimer said, this has only been tested using
the NUMA EMULATION config option.  That's a big part of
the reason for sending this out  - to get further testing 
on real x86-64 NUMA systems, but without breaking the
current discontigmem code.  

I expect to be able to test this on at least one AMD system
at the local University systems lab, but haven't had a
chance to do so yet.

matt

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