diff --git a/include/asm-mips/mmzone.h b/include/asm-mips/mmzone.h
new file mode 100644
index 0000000..29ee13b
--- /dev/null
+++ b/include/asm-mips/mmzone.h
@@ -0,0 +1,39 @@
+/*
+ * Written by Kanoj Sarcar (kanoj@sgi.com) Aug 99
+ * Rewritten for Linux 2.6 by Christoph Hellwig (hch@lst.de) Jan 2004
+ */
+#ifndef _ASM_MMZONE_H_
+#define _ASM_MMZONE_H_
+
+#include <asm/page.h>
+#include <mmzone.h>
+
+#define kvaddr_to_nid(kvaddr)	pa_to_nid(__pa(kvaddr))
+#define pfn_to_nid(pfn)		pa_to_nid((pfn) << PAGE_SHIFT)
+
+#define pfn_valid(pfn)						\
+({								\
+ 	unsigned long __pfn = (pfn);				\
+ 	int __n = pfn_to_nid(__pfn);				\
+	((__n >= 0) ? (__pfn < NODE_DATA(__n)->node_start_pfn +	\
+		       NODE_DATA(__n)->node_spanned_pages) : 0);\
+})
+
+#define pfn_to_page(pfn)					\
+({								\
+ 	unsigned long __pfn = (pfn);				\
+	pg_data_t *__pg = NODE_DATA(pfn_to_nid(__pfn));		\
+	__pg->node_mem_map + (__pfn - __pg->node_start_pfn);	\
+})
+
+#define page_to_pfn(p)						\
+({								\
+	struct page *__p = (p);					\
+	struct zone *__z = page_zone(__p);			\
+	((__p - __z->zone_mem_map) + __z->zone_start_pfn);	\
+})
+
+/* XXX: FIXME -- wli */
+#define kern_addr_valid(addr)	(0)
+
+#endif /* _ASM_MMZONE_H_ */