taglinefilesource code
skb_trim140include/linux/skbuff.hextern void       skb_trim(struct sk_buff *skb, int len);
skb_trim1359net/appletalk/ddp.cskb_trim(skb,min(skb->len,ddp->deh_len));
skb_trim1419net/appletalk/ddp.cskb_trim(skb,min(origlen, rt->dev->hard_header_len + 
skb_trim1530net/ax25/af_ax25.cskb_trim(skb, len);      /* Set the length of the data */
skb_trim1331net/ipv4/ip.cskb_trim(skb,ntohs(iph->tot_len));
skb_trim101net/ipv4/raw.cskb_trim(skb,ntohs(skb->ip_hdr->tot_len));
skb_trim3816net/ipv4/tcp.cskb_trim(skb,len-(th->doff*4));
skb_trim5052net/ipv4/tcp.cskb_trim(skb,skb->len-win_size);
skb_trim633net/ipv4/udp.cskb_trim(skb,len);