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SubjectRe: [RFC 00/15] x86_64: Optimize percpu accesses
Mike Travis wrote:
> One thing to remember is the eventual goal is implementing the cpu_alloc
> functions which I think we've agreed has to be "growable". This means that
> the addresses will need to be virtual to allow the same offsets for all cpus.
> The patchset I have uses 2Mb pages. This "little" twist might figure into the
> implementation issues that are being discussed.

You want to virtually map the percpu area? How and when would it get
extended?

J


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