Index: linux-2.6-xen-sparse/arch/i386/mm/ioremap-xen.c
===================================================================
--- linux-2.6-xen-sparse.orig/arch/i386/mm/ioremap-xen.c
+++ linux-2.6-xen-sparse/arch/i386/mm/ioremap-xen.c
@@ -91,7 +91,13 @@ static int __direct_remap_pfn_range(stru
 		v++;
 	}
 
-	if (v != u) {
+	/*
+	 * If we didn't finish the page in the previous loop then we
+	 * need to process it now.  We take into account the v++
+	 * at the end of the loop, so the test to know if we finished
+	 * or not is really a +1 difference and not an equal.
+	 */
+	if ((v - u) != 1) {
 		/* get the ptep's filled in */
 		rc = apply_to_page_range(mm, start_address,
 					 address - start_address,