[PATCH 7/7] use pfn_to_page

[Roman Zippel]

pfn_to_page() does the same, but also takes care of the memory start
if necessary.

Index: 2.6/include/asm-ppc/pgtable.h
diff -u 2.6/include/asm-ppc/pgtable.h:1.1.1.3 2.6/include/asm-ppc/pgtable.h:1.4
--- 2.6/include/asm-ppc/pgtable.h:1.1.1.3	Sat Feb 21 12:45:22 2004
+++ 2.6/include/asm-ppc/pgtable.h	Sat Feb 21 13:42:00 2004
@@ -566,7 +566,7 @@
 #define pmd_page_kernel(pmd)	\
 	((unsigned long) __va(pmd_val(pmd) & PAGE_MASK))
 #define pmd_page(pmd)		\
-	(mem_map + (pmd_val(pmd) >> PAGE_SHIFT))
+	pfn_to_page(pmd_val(pmd) >> PAGE_SHIFT)
 #else
 #define pmd_page_kernel(pmd)	\
 	((unsigned long) (pmd_val(pmd) & PAGE_MASK))

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