Re: [PATCH] Fake NUMA emulation for PowerPC

From: Balbir Singh
Date: Fri Dec 07 2007 - 23:22:27 EST


David Rientjes wrote:
> On Sat, 8 Dec 2007, Balbir Singh wrote:
>
>> To be able to test the memory controller under NUMA, I use fake NUMA
>> nodes. x86-64 has a similar feature, the code I have here is the
>> simplest I could come up with for PowerPC.
>>
>
> Magnus Damm had patches from over a year ago that, I believe, made much of
> the x86_64 fake NUMA code generic so that it could be extended for
> architectures such as i386. Perhaps he could resurrect those patches if
> there is wider interest in such a tool.

That would be a very interesting patch, but what I have here is the
simplest patch and we could build on it incrementally. The interface is
non-standard but it does amazing things for 59 lines of code change.


--
Warm Regards,
Balbir Singh
Linux Technology Center
IBM, ISTL
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