[PATCH] Fake NUMA emulation for PowerPC

Balbir Singh balbir at linux.vnet.ibm.com
Sat Dec 8 15:22:06 EST 2007


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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