330 		skb->head_frag = 1;  in build_skb()
353 		skb->head_frag = 1;  in build_skb_around()
472 	skb->head_frag = 1;  in __netdev_alloc_skb()
531 	skb->head_frag = 1;  in __napi_alloc_skb()
587 	if (skb->head_frag)  in skb_free_head()
995 	C(head_frag);  in __skb_clone()
1660 	skb->head_frag = 0;  in pskb_expand_head()
2902 	if (!from->head_frag ||  in skb_zerocopy_headlen()
2941 	BUG_ON(!from->head_frag && !hlen);  in skb_zerocopy()
3625 	skb_frag_t head_frag;  in skb_head_frag_to_page_desc()  local
3629 	__skb_frag_set_page(&head_frag, page);  in skb_head_frag_to_page_desc()
3630 	skb_frag_off_set(&head_frag, frag_skb->data -  in skb_head_frag_to_page_desc()
3632 	skb_frag_size_set(&head_frag, skb_headlen(frag_skb));  in skb_head_frag_to_page_desc()
3633 	return head_frag;  in skb_head_frag_to_page_desc()
3758 	if (list_skb && !list_skb->head_frag && skb_headlen(list_skb) &&  in skb_segment()
3806 				if (skb_headlen(iter) && !iter->head_frag)  in skb_segment()
3963 					BUG_ON(!list_skb->head_frag);  in skb_segment()
4125 	} else if (skb->head_frag) {  in skb_gro_receive()
5925 	skb->head_frag = 0;  in pskb_carve_inside_header()
6066 	skb->head_frag = 0;  in pskb_carve_inside_nonlinear()