unsigned long min_low_pfn;
unsigned long max_pfn;
-EXPORT_UNUSED_SYMBOL(max_pfn); /* June 2006 */
+EXPORT_SYMBOL(max_pfn); /* This is exported so
+ * dma_get_required_mask(), which uses
+ * it, can be an inline function */
static LIST_HEAD(bdata_list);
#ifdef CONFIG_CRASH_DUMP