Re: [BK PATCH 2.5] Introduce 64-bit versions of PAGE_{CACHE_,}{MASK,ALIGN}

[Rik van Riel]

On 30 Jul 2002, Andi Kleen wrote:
> Andrea Arcangeli <[e-mail]> writes:
>
> > > Then again, Andi says that sizeof(struct page) is a problem for
> > > x86-64.
> >
> > not true.
>
> x86-64 has slightly below 100 bytes struct page

We really need to look at replacing the page pointers with
page frame numbers and packing the 32-bit variables together
to save some memory on 64-bit architectures.

Rik
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