Re: bisected boot regression post 2.6.25-rc3.. please revert

[H. Peter Anvin]

Ingo Molnar wrote:
> * Nish Aravamudan <nish.aravamudan@xxxxxxxxx> wrote:
>
> > >  in any case, the commit has to be reverted as it clearly isnt a NOP 
> > >  on your box as it was intended to be. (it should only have made a 
> > >  difference in a rare hugetlbfs case)
> > On x86/{,_64}, _PAGE_PSE and _PAGE_PROTNONE are the same bit. Would 
> > that have any effect here? We encountered that collision when adding 
> > mprotect() support for hugepages.
>
> well, this is the PMD, and PROTNONE is a pte property.

The PSE bit in the PTE becomes the PATX bit.  It shouldn't ever be set 
in Linux.

	-hpa
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