288 	WARN_ON_ONCE(!NAPI_HAS_SMALL_PAGE_FRAG && skb && skb->head_frag);  in napi_get_frags_check()
466 		skb->head_frag = 1;  in build_skb()
488 		skb->head_frag = 1;  in build_skb_around()
534 		skb->head_frag = 1;  in napi_build_skb()
748 	skb->head_frag = 1;  in __netdev_alloc_skb()
836 	skb->head_frag = 1;  in __napi_alloc_skb()
952 	if (skb->head_frag) {  in skb_free_head()
1443 	C(head_frag);  in __skb_clone()
2136 	skb->head_frag = 0;  in pskb_expand_head()
2705 				if (skb_is_gso(skb) && !list->head_frag &&  in __pskb_pull_tail()
3560 	if (!from->head_frag ||  in skb_zerocopy_headlen()
3602 	BUG_ON(!from->head_frag && !hlen);  in skb_zerocopy()
4327 	skb_frag_t head_frag;  in skb_head_frag_to_page_desc()  local
4331 	skb_frag_fill_page_desc(&head_frag, page, frag_skb->data -  in skb_head_frag_to_page_desc()
4334 	return head_frag;  in skb_head_frag_to_page_desc()
4464 			if (skb_headlen(check_skb) && !check_skb->head_frag) {  in skb_segment()
4509 				if (skb_headlen(iter) && !iter->head_frag)  in skb_segment()
4678 					BUG_ON(!list_skb->head_frag);  in skb_segment()
6412 	skb->head_frag = 0;  in pskb_carve_inside_header()
6545 	skb->head_frag = 0;  in pskb_carve_inside_nonlinear()