m68k: discontinuous memory support

Fix support for discontinuous memory

Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/include/asm-m68k/sun3_pgtable.h b/include/asm-m68k/sun3_pgtable.h
index 5156a28..b9e62c1 100644
--- a/include/asm-m68k/sun3_pgtable.h
+++ b/include/asm-m68k/sun3_pgtable.h
@@ -132,8 +132,8 @@
 #define pfn_pte(pfn, pgprot) \
 ({ pte_t __pte; pte_val(__pte) = pfn | pgprot_val(pgprot); __pte; })
 
-#define pte_page(pte)		(mem_map+((__pte_page(pte) - PAGE_OFFSET) >> PAGE_SHIFT))
-#define pmd_page(pmd)		(mem_map+((__pmd_page(pmd) - PAGE_OFFSET) >> PAGE_SHIFT))
+#define pte_page(pte)		virt_to_page(__pte_page(pte))
+#define pmd_page(pmd)		virt_to_page(__pmd_page(pmd))
 
 
 static inline int pmd_none2 (pmd_t *pmd) { return !pmd_val (*pmd); }