2827 bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp)  in skb_page_frag_refill()  argument
2829 	if (pfrag->page) {  in skb_page_frag_refill()
2830 		if (page_ref_count(pfrag->page) == 1) {  in skb_page_frag_refill()
2831 			pfrag->offset = 0;  in skb_page_frag_refill()
2834 		if (pfrag->offset + sz <= pfrag->size)  in skb_page_frag_refill()
2836 		put_page(pfrag->page);  in skb_page_frag_refill()
2839 	pfrag->offset = 0;  in skb_page_frag_refill()
2843 		pfrag->page = alloc_pages((gfp & ~__GFP_DIRECT_RECLAIM) |  in skb_page_frag_refill()
2847 		if (likely(pfrag->page)) {  in skb_page_frag_refill()
2848 			pfrag->size = PAGE_SIZE << SKB_FRAG_PAGE_ORDER;  in skb_page_frag_refill()
2852 	pfrag->page = alloc_page(gfp);  in skb_page_frag_refill()
2853 	if (likely(pfrag->page)) {  in skb_page_frag_refill()
2854 		pfrag->size = PAGE_SIZE;  in skb_page_frag_refill()
2861 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag)  in sk_page_frag_refill()  argument
2863 	if (likely(skb_page_frag_refill(32U, pfrag, sk->sk_allocation)))  in sk_page_frag_refill()