329 		skb->head_frag = 1;  in build_skb()
352 		skb->head_frag = 1;  in build_skb_around()
472 	skb->head_frag = 1;  in __netdev_alloc_skb()
532 	skb->head_frag = 1;  in __napi_alloc_skb()
588 	if (skb->head_frag)  in skb_free_head()
1001 	C(head_frag);  in __skb_clone()
1666 	skb->head_frag = 0;  in pskb_expand_head()
2907 	if (!from->head_frag ||  in skb_zerocopy_headlen()
2946 	BUG_ON(!from->head_frag && !hlen);  in skb_zerocopy()
3630 	skb_frag_t head_frag;  in skb_head_frag_to_page_desc()  local
3634 	__skb_frag_set_page(&head_frag, page);  in skb_head_frag_to_page_desc()
3635 	skb_frag_off_set(&head_frag, frag_skb->data -  in skb_head_frag_to_page_desc()
3637 	skb_frag_size_set(&head_frag, skb_headlen(frag_skb));  in skb_head_frag_to_page_desc()
3638 	return head_frag;  in skb_head_frag_to_page_desc()
3673 	if (list_skb && !list_skb->head_frag && skb_headlen(list_skb) &&  in skb_segment()
3721 				if (skb_headlen(iter) && !iter->head_frag)  in skb_segment()
3871 					BUG_ON(!list_skb->head_frag);  in skb_segment()
4033 	} else if (skb->head_frag) {  in skb_gro_receive()
5752 	skb->head_frag = 0;  in pskb_carve_inside_header()
5890 	skb->head_frag = 0;  in pskb_carve_inside_nonlinear()