tailbits         1127 include/linux/skbuff.h int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer);
tailbits         4303 net/core/skbuff.c int skb_cow_data(struct sk_buff *skb, int tailbits, struct sk_buff **trailer)
tailbits         4324 net/core/skbuff.c 		if (skb_tailroom(skb) < tailbits &&
tailbits         4325 net/core/skbuff.c 		    pskb_expand_head(skb, 0, tailbits-skb_tailroom(skb)+128, GFP_ATOMIC))
tailbits         4351 net/core/skbuff.c 		if (skb1->next == NULL && tailbits) {
tailbits         4354 net/core/skbuff.c 			    skb_tailroom(skb1) < tailbits)
tailbits         4355 net/core/skbuff.c 				ntail = tailbits + 128;