Re: pat support in the kernel

From: Andi Kleen (ak@suse.de)
Date: Wed May 21 2003 - 04:41:11 EST


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.

-Andi
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