diff --git a/sys/vm/vm_page.c b/sys/vm/vm_page.c
--- a/sys/vm/vm_page.c
+++ b/sys/vm/vm_page.c
@@ -396,7 +396,7 @@
         }
 	*list = ptr;
 	if (ptr != NULL)
-		*end = ptr + len;
+		*end = ptr + len - 1;
 	else
 		*end = NULL;
 	return;