oldheadroom      1748 net/core/skbuff.c 	int oldheadroom = skb_headroom(skb);
oldheadroom      1759 net/core/skbuff.c 	head_copy_len = oldheadroom;
oldheadroom      1772 net/core/skbuff.c 	skb_headers_offset_update(n, newheadroom - oldheadroom);