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Subject[PATCH] unify pfn_to_page take 2 [19/25] sh funcs
SH can use generic funcs.

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

Index: test-layout-free-zone/include/asm-sh/page.h
===================================================================
--- test-layout-free-zone.orig/include/asm-sh/page.h
+++ test-layout-free-zone/include/asm-sh/page.h
@@ -105,9 +105,7 @@ typedef struct { unsigned long pgprot; }

/* PFN start number, because of __MEMORY_START */
#define PFN_START (__MEMORY_START >> PAGE_SHIFT)
-
-#define pfn_to_page(pfn) (mem_map + (pfn) - PFN_START)
-#define page_to_pfn(page) ((unsigned long)((page) - mem_map) + PFN_START)
+#define ARCH_PFN_OFFSET (PFN_START)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define pfn_valid(pfn) (((pfn) - PFN_START) < max_mapnr)
#define virt_addr_valid(kaddr) pfn_valid(__pa(kaddr) >> PAGE_SHIFT)
-
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