1407 	int copy;  in __ip6_append_data()  local
1522 		copy = (cork->length <= mtu && !(cork->flags & IPCORK_ALLFRAG) ? mtu : maxfraglen) - skb->len;  in __ip6_append_data()
1523 		if (copy < length)  in __ip6_append_data()
1524 			copy = maxfraglen - skb->len;  in __ip6_append_data()
1526 		if (copy <= 0) {  in __ip6_append_data()
1591 			copy = datalen - transhdrlen - fraggap - pagedlen;  in __ip6_append_data()
1592 			if (copy < 0) {  in __ip6_append_data()
1637 			if (copy > 0 &&  in __ip6_append_data()
1639 				    copy, fraggap, skb) < 0) {  in __ip6_append_data()
1645 			offset += copy;  in __ip6_append_data()
1646 			length -= copy + transhdrlen;  in __ip6_append_data()
1673 		if (copy > length)  in __ip6_append_data()
1674 			copy = length;  in __ip6_append_data()
1677 		    skb_tailroom(skb) >= copy) {  in __ip6_append_data()
1681 			if (getfrag(from, skb_put(skb, copy),  in __ip6_append_data()
1682 						offset, copy, off, skb) < 0) {  in __ip6_append_data()
1705 			copy = min_t(int, copy, pfrag->size - pfrag->offset);  in __ip6_append_data()
1708 				    offset, copy, skb->len, skb) < 0)  in __ip6_append_data()
1711 			pfrag->offset += copy;  in __ip6_append_data()
1712 			skb_frag_size_add(&skb_shinfo(skb)->frags[i - 1], copy);  in __ip6_append_data()
1713 			skb->len += copy;  in __ip6_append_data()
1714 			skb->data_len += copy;  in __ip6_append_data()
1715 			skb->truesize += copy;  in __ip6_append_data()
1716 			wmem_alloc_delta += copy;  in __ip6_append_data()
1718 			err = skb_zerocopy_iter_dgram(skb, from, copy);  in __ip6_append_data()
1722 		offset += copy;  in __ip6_append_data()
1723 		length -= copy;  in __ip6_append_data()