[PATCH] unify pfn_to_page take3 [14/23] ppc pfn_to_page

[KAMEZAWA Hiroyuki]

PPC can use generic funcs.

Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu at jp.fujitsu.com>

Index: testtree/include/asm-ppc/page.h
===================================================================
--- testtree.orig/include/asm-ppc/page.h
+++ testtree/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)

@@ -175,5 +174,6 @@ extern __inline__ int get_order(unsigned
  /* We do define AT_SYSINFO_EHDR but don't use the gate mecanism */
  #define __HAVE_ARCH_GATE_AREA		1

+#include <asm-generic/memory_model.h>
  #endif /* __KERNEL__ */
  #endif /* _PPC_PAGE_H */