[PATCH 7/8] 8xx: Restore _PAGE_WRITETHRU

Benjamin Herrenschmidt benh at kernel.crashing.org
Mon Oct 12 09:45:30 EST 2009

On Mon, 2009-10-12 at 00:21 +0200, Joakim Tjernlund wrote:
> > I think I've replaced _PAGE_EXEC with _PAGE_SPECIAL already
> > upstream since _PAGE_EXEC is unused on 8xx.
> What is page SPECIAL anyway? 

It's used on newer kernels to indicates PTEs that map something that
isn't backed by a struct page (ie, not memory)


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