Re: [patch] pageattr update

From: Andi Kleen (
Date: Thu Jun 13 2002 - 11:13:37 EST

David Mosberger <> writes:

> As long as change_page_attr() is used for AGP-related stuff only,
> there is probably no real issue with the patch in its current form
> (its simply a no-op on most non-x86 platforms). However, I'm a bit
> worried that someone might start to use it for other things, such that
> change_page_attr() could no longer be a no-op on those platforms.
> Since the DMA coherency issue is an AGP specific issue, perhaps just
> renaming the macro to agp_change_page_attr() would take care of my
> concern. What do you think

Linus already requested that for 2.5 (agp_map_into_gart() etc.)
I think for 2.4 #ifdef in the agp code is fine and I'm not adopting Ben's
change of moving change_page_attr into all asm files.

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