patch-2.4.0-test6 linux/include/asm-arm/arch-sa1100/mmzone.h

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diff -u --recursive --new-file v2.4.0-test5/linux/include/asm-arm/arch-sa1100/mmzone.h linux/include/asm-arm/arch-sa1100/mmzone.h
@@ -79,3 +79,5 @@
 		(((unsigned long)ADDR_TO_MAPBASE((kaddr)) - PAGE_OFFSET) / \
 		sizeof(mem_map_t)))
 
+#define virt_to_page(kaddr)	(mem_map + MAP_NR(kaddr))
+#define VALID_PAGE(page)	((page - mem_map) < max_mapnr)
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