Messages in this thread | | | Date | Wed, 16 Aug 2023 11:00:36 -0700 | Subject | Re: [RFC PATCH v2 0/5] Reduce NUMA balance caused TLB-shootdowns in a VM | From | John Hubbard <> |
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On 8/16/23 02:49, David Hildenbrand wrote: > But do 32bit architectures even care about NUMA hinting? If not, just > ignore them ...
Probably not!
... >> So, do you mean that let kernel provide a per-VMA allow/disallow >> mechanism, and >> it's up to the user space to choose between per-VMA and complex way or >> global and simpler way? > > QEMU could do either way. The question would be if a per-vma settings > makes sense for NUMA hinting.
From our experience with compute on GPUs, a per-mm setting would suffice. No need to go all the way to VMA granularity.
thanks, -- John Hubbard NVIDIA
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