[RFC][PATCH] unify pfn_to_page [5/25] cris pfn_to_page/page_to_pfn

From: KAMEZAWA Hiroyuki
Date: Mon Feb 06 2006 - 05:50:17 EST


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

Index: cleanup_pfn_page/include/asm-cris/page.h
===================================================================
--- cleanup_pfn_page.orig/include/asm-cris/page.h
+++ cleanup_pfn_page/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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