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SubjectRe: [PATCH 2/2]x86: spread tlb flush vector between nodes
> Maybe we should have a per_node memory infrastructure, so that we can
> lower memory needs of currently per_cpu objects.

I have been looking at that :- for a lot of things per core
data makes sense too.

Really a lot of the per CPU scaling we have today should be per core
or per node to avoid explosion.

But for this particular case it doesn't help because you still
need a mapping for each CPU.

-- -- Speaking for myself only.

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