1329 	int copy;  in __ip6_append_data()  local
1439 		copy = (cork->length <= mtu && !(cork->flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - skb->len;  in __ip6_append_data()
1440 		if (copy < length)  in __ip6_append_data()
1441 			copy = maxfraglen - skb->len;  in __ip6_append_data()
1443 		if (copy <= 0) {  in __ip6_append_data()
1505 			copy = datalen - transhdrlen - fraggap - pagedlen;  in __ip6_append_data()
1506 			if (copy < 0) {  in __ip6_append_data()
1552 			if (copy > 0 &&  in __ip6_append_data()
1554 				    copy, fraggap, skb) < 0) {  in __ip6_append_data()
1560 			offset += copy;  in __ip6_append_data()
1561 			length -= copy + transhdrlen;  in __ip6_append_data()
1588 		if (copy > length)  in __ip6_append_data()
1589 			copy = length;  in __ip6_append_data()
1592 		    skb_tailroom(skb) >= copy) {  in __ip6_append_data()
1596 			if (getfrag(from, skb_put(skb, copy),  in __ip6_append_data()
1597 						offset, copy, off, skb) < 0) {  in __ip6_append_data()
1620 			copy = min_t(int, copy, pfrag->size - pfrag->offset);  in __ip6_append_data()
1623 				    offset, copy, skb->len, skb) < 0)  in __ip6_append_data()
1626 			pfrag->offset += copy;  in __ip6_append_data()
1627 			skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], copy);  in __ip6_append_data()
1628 			skb->len += copy;  in __ip6_append_data()
1629 			skb->data_len += copy;  in __ip6_append_data()
1630 			skb->truesize += copy;  in __ip6_append_data()
1631 			wmem_alloc_delta += copy;  in __ip6_append_data()
1633 			err = skb_zerocopy_iter_dgram(skb, from, copy);  in __ip6_append_data()
1637 		offset += copy;  in __ip6_append_data()
1638 		length -= copy;  in __ip6_append_data()