tag	line	file	source code
rt_metric	45	include/linux/route.h	short    rt_metric;  /* +1 for binary compatibility!  */
rt_metric	495	net/inet/route.c	r->rt_flags, r->rt_refcnt, r->rt_use, r->rt_metric,
rt_metric	36	net/inet/route.h	unsigned char    rt_metric;