===== arch/ia64/mm/init.c 1.62 vs edited =====
--- 1.62/arch/ia64/mm/init.c	Thu May 27 15:44:02 2004
+++ edited/arch/ia64/mm/init.c	Thu Jun 24 09:01:26 2004
@@ -484,9 +484,12 @@
 	unsigned long num_reserved = 0;
 	unsigned long *count = arg;
 
-	for (; start < end; start += PAGE_SIZE)
+	for (; start < end; start += PAGE_SIZE) {
+		if (!ia64_pfn_valid(page_to_pfn(virt_to_page(start))))
+			continue;
 		if (PageReserved(virt_to_page(start)))
 			++num_reserved;
+	}
 	*count += num_reserved;
 	return 0;
 }