2444 bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp)  in skb_page_frag_refill()  argument
2446 	if (pfrag->page) {  in skb_page_frag_refill()
2447 		if (page_ref_count(pfrag->page) == 1) {  in skb_page_frag_refill()
2448 			pfrag->offset = 0;  in skb_page_frag_refill()
2451 		if (pfrag->offset + sz <= pfrag->size)  in skb_page_frag_refill()
2453 		put_page(pfrag->page);  in skb_page_frag_refill()
2456 	pfrag->offset = 0;  in skb_page_frag_refill()
2460 		pfrag->page = alloc_pages((gfp & ~__GFP_DIRECT_RECLAIM) |  in skb_page_frag_refill()
2464 		if (likely(pfrag->page)) {  in skb_page_frag_refill()
2465 			pfrag->size = PAGE_SIZE << SKB_FRAG_PAGE_ORDER;  in skb_page_frag_refill()
2469 	pfrag->page = alloc_page(gfp);  in skb_page_frag_refill()
2470 	if (likely(pfrag->page)) {  in skb_page_frag_refill()
2471 		pfrag->size = PAGE_SIZE;  in skb_page_frag_refill()
2478 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag)  in sk_page_frag_refill()  argument
2480 	if (likely(skb_page_frag_refill(32U, pfrag, sk->sk_allocation)))  in sk_page_frag_refill()