Re: [PATCH] cpumask 5/10 rewrite cpumask.h - single bitmap basedimplementation

[Andrew Morton]

Nick Piggin <nickpiggin@xxxxxxxxxxxx> wrote:
>
>  Yes, I'm all for the full cpumask abstraction.

Where do we stand wrt pass-by-reference?  I remember there was initially
some concern that lugging 512-bit scalars around by value was expensive, so
Bill's original work was at least geared toward pass-by-reference?

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