I tested it and saw it working for those cases. In my comments earlier, I thought Joe was underrunning the buffer, but that wasn't the case. I like Joe's version better as there's no trick there and it is clearer. Sebastian -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href