[PATCH v3 19/26] mm: introduce numa_emulation

David Hildenbrand david at redhat.com
Tue Aug 6 23:18:19 AEST 2024


On 05.08.24 22:09, Dan Williams wrote:
> Mike Rapoport wrote:
>> From: "Mike Rapoport (Microsoft)" <rppt at kernel.org>
>>
>> Move numa_emulation codfrom arch/x86 to mm/numa_emulation.c
> 
> s/codfrom/code from/
> 
> I am surprised that numa-emulation stayed x86 only for so long. I think
> it is useful facility for debugging NUMA scaling and heterogenous memory
> topologies. So, glad to see it upleveled.

I recall that s390x had NUMA emulation at some point (primarily to have 
multiple kthreads be responsible for different physical memory ranges), 
but it got removed a while ago.

-- 
Cheers,

David / dhildenb



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