1868 bool skb_page_frag_refill(unsigned int sz, struct page_frag *pfrag, gfp_t gfp)  in skb_page_frag_refill()  argument
1870 	if (pfrag->page) {  in skb_page_frag_refill()
1871 		if (atomic_read(&pfrag->page->_count) == 1) {  in skb_page_frag_refill()
1872 			pfrag->offset = 0;  in skb_page_frag_refill()
1875 		if (pfrag->offset + sz <= pfrag->size)  in skb_page_frag_refill()
1877 		put_page(pfrag->page);  in skb_page_frag_refill()
1880 	pfrag->offset = 0;  in skb_page_frag_refill()
1882 		pfrag->page = alloc_pages((gfp & ~__GFP_WAIT) | __GFP_COMP |  in skb_page_frag_refill()
1885 		if (likely(pfrag->page)) {  in skb_page_frag_refill()
1886 			pfrag->size = PAGE_SIZE << SKB_FRAG_PAGE_ORDER;  in skb_page_frag_refill()
1890 	pfrag->page = alloc_page(gfp);  in skb_page_frag_refill()
1891 	if (likely(pfrag->page)) {  in skb_page_frag_refill()
1892 		pfrag->size = PAGE_SIZE;  in skb_page_frag_refill()
1899 bool sk_page_frag_refill(struct sock *sk, struct page_frag *pfrag)  in sk_page_frag_refill()  argument
1901 	if (likely(skb_page_frag_refill(32U, pfrag, sk->sk_allocation)))  in sk_page_frag_refill()