[PATCH] unify pfn_to_page: i386 pfn_to_page

i386 can use generic funcs.

Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-i386/mmzone.h

@@ -70,8 +70,6 @@ static inline int pfn_to_nid(unsigned long pfn)
 #endif
 }
 
-#define node_localnr(pfn, nid)		((pfn) - node_data[nid]->node_start_pfn)
-
 /*
  * Following are macros that each numa implmentation must define.
  */
@@ -86,21 +84,6 @@ static inline int pfn_to_nid(unsigned long pfn)
 /* XXX: FIXME -- wli */
 #define kern_addr_valid(kaddr)	(0)
 
-#define pfn_to_page(pfn)						\
-({									\
-	unsigned long __pfn = pfn;					\
-	int __node  = pfn_to_nid(__pfn);				\
-	&NODE_DATA(__node)->node_mem_map[node_localnr(__pfn,__node)];	\
-})
-
-#define page_to_pfn(pg)							\
-({									\
-	struct page *__page = pg;					\
-	struct zone *__zone = page_zone(__page);			\
-	(unsigned long)(__page - __zone->zone_mem_map)			\
-		+ __zone->zone_start_pfn;				\
-})
-
 #ifdef CONFIG_X86_NUMAQ            /* we have contiguous memory on NUMA-Q */
 #define pfn_valid(pfn)          ((pfn) < num_physpages)
 #else

include/asm-i386/page.h

@@ -126,8 +126,6 @@ extern int page_is_ram(unsigned long pagenr);
 #define __va(x)			((void *)((unsigned long)(x)+PAGE_OFFSET))
 #define pfn_to_kaddr(pfn)      __va((pfn) << PAGE_SHIFT)
 #ifdef CONFIG_FLATMEM
-#define pfn_to_page(pfn)	(mem_map + (pfn))
-#define page_to_pfn(page)	((unsigned long)((page) - mem_map))
 #define pfn_valid(pfn)		((pfn) < max_mapnr)
 #endif /* CONFIG_FLATMEM */
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
@@ -141,6 +139,7 @@ extern int page_is_ram(unsigned long pagenr);
 
 #endif /* __KERNEL__ */
 
+#include <asm-generic/memory_model.h>
 #include <asm-generic/page.h>
 
 #endif /* _I386_PAGE_H */