[RFC][PATCH] unify pfn_to_page [16/25] ppc pfn_to_page/page_to_pfn

[KAMEZAWA Hiroyuki]

ppc can use generic ones.

Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@xxxxxxxxxxxxxx>

Index: cleanup_pfn_page/include/asm-ppc/page.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-ppc/page.h
+++ cleanup_pfn_page/include/asm-ppc/page.h
@@ -149,8 +149,7 @@ extern int page_is_ram(unsigned long pfn
 #define __pa(x) ___pa((unsigned long)(x))
 #define __va(x) ((void *)(___va((unsigned long)(x))))

-#define pfn_to_page(pfn)	(mem_map + ((pfn) - PPC_PGSTART))
-#define page_to_pfn(page)	((unsigned long)((page) - mem_map) + PPC_PGSTART)
+#define ARCH_PFN_OFFSET		PPC_PGSTART
 #define virt_to_page(kaddr)	pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
 #define page_to_virt(page)	__va(page_to_pfn(page) << PAGE_SHIFT)


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/