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

KAMEZAWA Hiroyuki
2006-02-06T11:06:19Z

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