Andi Kleen writes:
> mikpe@csd.uu.se writes:
>
> > (Large pages ignoring PAT index bit 2, or something like that.)
>
> change_page_attr will force 4K pages for these anyways, so for the kernel
> direct mapping it should not be an issue.
>
> For the hugetlbfs user mapping you may need to check the case, but
> it's probably reasonable to EINVAL there.
>
> Other than that everything should be 4K mapped.
The bug is that 4K pages get the wrong PAT index; the large page
thing is the trigger but the large pages themselves arent' affected.
So 4K pages need to be restricted to the low 4 PAT types.
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This archive was generated by hypermail 2b29 : Fri May 23 2003 - 22:00:44 EST