1 files changed, 39 insertions, 0 deletions

diff --git a/include/asm-mips/mmzone.h b/include/asm-mips/mmzone.h
new file mode 100644
index 000000000000..29ee13be0b2a
--- /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_ */