[PATCH] unify pfn_to_page take 2 [8/25] cris funcs

[KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>]

cris can use generic funcs.

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

Index: test-layout-free-zone/include/asm-cris/page.h
===================================================================
--- test-layout-free-zone.orig/include/asm-cris/page.h
+++ test-layout-free-zone/include/asm-cris/page.h
@@ -43,8 +43,7 @@ typedef struct { unsigned long pgprot; }

 /* On CRIS the PFN numbers doesn't start at 0 so we have to compensate */
 /* for that before indexing into the page table starting at mem_map    */
-#define pfn_to_page(pfn)	(mem_map + ((pfn) - (PAGE_OFFSET >> PAGE_SHIFT)))
-#define page_to_pfn(page)	((unsigned long)((page) - mem_map) + (PAGE_OFFSET >> PAGE_SHIFT))
+#define ARCH_PFN_OFFSET		(PAGE_OFFSET >> PAGE_SHIFT)
 #define pfn_valid(pfn)		(((pfn) - (PAGE_OFFSET >> PAGE_SHIFT)) < max_mapnr)

 /* to index into the page map. our pages all start at physical addr PAGE_OFFSET so

-
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