BPF_WORDALIGN    1260 net/bpf.c      	curlen = BPF_WORDALIGN(d->bd_slen);
BPF_WORDALIGN    1392 net/bpf.c      	bp->bif_hdrlen = BPF_WORDALIGN(hdrlen + SIZEOF_BPF_HDR) - hdrlen;