I am extremely interested in big pages (64K, etc), and
the sooner the better. If there is anything not
considered OK for immediate inclusion in the Linux
MIPS git tree, I would love to have a copy anyway.
Large pages will be necessary for some high-priority
work I'm doing, although stability at this point seems
to be an optional extra. (Hence why the patches are
much more important than whether they're actually
--- Thiemo Seufer <firstname.lastname@example.org> wrote:
> Peter Watkins wrote:
> > Hello,
> > There are a number of changes required to support
> larger page sizes, but
> > this one I thought worth sending up right away.
> > The code in pgtable-64.h assumes TASK_SIZE is
> always bigger than a first
> > level PGDIR_SIZE. This is not the case for 64K
> pages, where task size is
> > 40 bits (1TB) and a pgd entry can map 42 bits.
> This leads to
> > USER_PTRS_PER_PGD being zero for 64K pages.
> > If there is interest in other changes for 64K
> pages, I can send more.
> Please do so. :-)
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