SAFETY_MARGIN     167 arch/um/drivers/vector_kern.c 		get_headroom(def) + SAFETY_MARGIN;
SAFETY_MARGIN     598 arch/um/drivers/vector_kern.c 	int linear = vp->max_packet + vp->headroom + SAFETY_MARGIN;
SAFETY_MARGIN    1330 arch/um/drivers/vector_kern.c 		vp->req_size = vp->max_packet + vp->headroom + SAFETY_MARGIN;