315 		skb->head_frag = 1;  in build_skb()
431 	skb->head_frag = 1;  in __netdev_alloc_skb()
491 	skb->head_frag = 1;  in __napi_alloc_skb()
547 	if (skb->head_frag)  in skb_free_head()
866 	C(head_frag);  in __skb_clone()
1498 	skb->head_frag = 0;  in pskb_expand_head()
2686 	if (!from->head_frag ||  in skb_zerocopy_headlen()
2725 	BUG_ON(!from->head_frag && !hlen);  in skb_zerocopy()
3485 	skb_frag_t head_frag;  in skb_head_frag_to_page_desc()  local
3489 	head_frag.page.p = page;  in skb_head_frag_to_page_desc()
3490 	head_frag.page_offset = frag_skb->data -  in skb_head_frag_to_page_desc()
3492 	head_frag.size = skb_headlen(frag_skb);  in skb_head_frag_to_page_desc()
3493 	return head_frag;  in skb_head_frag_to_page_desc()
3557 				if (skb_headlen(iter) && !iter->head_frag)  in skb_segment()
3707 					BUG_ON(!list_skb->head_frag);  in skb_segment()
3869 	} else if (skb->head_frag) {  in skb_gro_receive()
5361 	skb->head_frag = 0;  in pskb_carve_inside_header()
5499 	skb->head_frag = 0;  in pskb_carve_inside_nonlinear()