[PATCH] ppc64: add definition for PAGE_AGP

This fix DRM build on ppc64 (even if DRM here is not yet functional, you'll
need the bleeding edge r300 stuff) by properly defining PAGE_AGP for the
ppc64 architecture.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-ppc64/pgtable.h

diff --git a/include/asm-ppc64/pgtable.h b/include/asm-ppc64/pgtable.h
index 8a79ece..4c48246 100644
--- a/include/asm-ppc64/pgtable.h
+++ b/include/asm-ppc64/pgtable.h
@@ -120,6 +120,9 @@
 			       _PAGE_WRENABLE | _PAGE_NO_CACHE | _PAGE_GUARDED)
 #define PAGE_KERNEL_EXEC __pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_EXEC)
 
+#define PAGE_AGP	__pgprot(_PAGE_BASE | _PAGE_WRENABLE | _PAGE_NO_CACHE)
+#define HAVE_PAGE_AGP
+
 /*
  * This bit in a hardware PTE indicates that the page is *not* executable.
  */