--- a/linux-2.6-xen-sparse/arch/x86_64/mm/fault-xen.c	Thu Feb 16 11:25:36 2006 +0000
+++ b/linux-2.6-xen-sparse/arch/x86_64/mm/fault-xen.c	Thu Feb 16 11:30:44 2006 +0000
@@ -371,7 +371,7 @@ asmlinkage void __kprobes do_page_fault(
 		 * entries.
 		 */
 		if (!(error_code & (PF_RSVD|PF_USER|PF_PROT)) &&
-		    address >= PAGE_OFFSET) {
+		    address >= HYPERVISOR_VIRT_END) {
 			if (vmalloc_fault(address) < 0)
 				goto bad_area_nosemaphore;
 			return;