Re: [PATCH 10/15] mm: atomic64 page counts

[Andrew Morton]

Hugh Dickins <hugh@xxxxxxxxxxx> wrote:
>
> ...
>
> I'm quite pleased with the way it's worked out, but you were intending
> that the 64-bit arches should get along with 32-bit counts?  Maybe.

That seems reasonsable for file pages.  For the ZERO_PAGE the count can do
whatever it wants, because we'd never free them up.

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