X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-mips%2Fmmzone.h;h=011caebac369c842d8dd99541688b8295d04340a;hb=987b0145d94eecf292d8b301228356f44611ab7c;hp=7bde4432092b75c554d754b0213ad8423f1df2e4;hpb=f7ed79d23a47594e7834d66a8f14449796d4f3e6;p=linux-2.6.git

diff --git a/include/asm-mips/mmzone.h b/include/asm-mips/mmzone.h
index 7bde44320..011caebac 100644
--- a/include/asm-mips/mmzone.h
+++ b/include/asm-mips/mmzone.h
@@ -22,6 +22,20 @@
 		       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)