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Subject[PATCH] unify pfn_to_page take3 [14/23] ppc pfn_to_page
PPC can use generic funcs.

Signed-Off-By: KAMEZAWA Hiroyuki <kamezawa.hiroyu@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 */
-
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