X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-mips%2Fmmzone.h;fp=include%2Fasm-mips%2Fmmzone.h;h=011caebac369c842d8dd99541688b8295d04340a;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=f53ec54c92ffa17ee35ebd5514d25676904601fd;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git

diff --git a/include/asm-mips/mmzone.h b/include/asm-mips/mmzone.h
index f53ec54c9..011caebac 100644
--- a/include/asm-mips/mmzone.h
+++ b/include/asm-mips/mmzone.h
@@ -5,13 +5,40 @@
 #ifndef _ASM_MMZONE_H_
 #define _ASM_MMZONE_H_
 
+#include <linux/config.h>
 #include <asm/page.h>
 #include <mmzone.h>
 
 #ifdef CONFIG_DISCONTIGMEM
 
+#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 /* CONFIG_DISCONTIGMEM */
 
 #endif /* _ASM_MMZONE_H_ */