[RFC][PATCH] unify pfn_to_page [13/25] mips pfn_to_page/page_to_pfn

[RFC][PATCH] unify pfn_to_page [13/25] mips pfn_to_page/page_to_pfn

[KAMEZAWA Hiroyuki]

Mips can use generic ones.

Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
Index: cleanup_pfn_page/include/asm-mips/mmzone.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-mips/mmzone.h
+++ cleanup_pfn_page/include/asm-mips/mmzone.h
@@ -22,20 +22,6 @@
  		       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)

Index: cleanup_pfn_page/include/asm-mips/page.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-mips/page.h
+++ cleanup_pfn_page/include/asm-mips/page.h
@@ -140,8 +140,6 @@ typedef struct { unsigned long pgprot; }
  #define pfn_to_kaddr(pfn)	__va((pfn) << PAGE_SHIFT)

  #ifndef CONFIG_NEED_MULTIPLE_NODES
-#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