303 	return nlk_sk(sk)->rx_ring.pg_vec != NULL;  in netlink_rx_is_mmaped()
308 	return nlk_sk(sk)->tx_ring.pg_vec != NULL;  in netlink_tx_is_mmaped()
319 static void free_pg_vec(void **pg_vec, unsigned int order, unsigned int len)  in free_pg_vec()  argument
324 		if (pg_vec[i] != NULL) {  in free_pg_vec()
325 			if (is_vmalloc_addr(pg_vec[i]))  in free_pg_vec()
326 				vfree(pg_vec[i]);  in free_pg_vec()
328 				free_pages((unsigned long)pg_vec[i], order);  in free_pg_vec()
331 	kfree(pg_vec);  in free_pg_vec()
357 	void **pg_vec;  in alloc_pg_vec()  local
359 	pg_vec = kcalloc(block_nr, sizeof(void *), GFP_KERNEL);  in alloc_pg_vec()
360 	if (pg_vec == NULL)  in alloc_pg_vec()
364 		pg_vec[i] = alloc_one_pg_vec_page(order);  in alloc_pg_vec()
365 		if (pg_vec[i] == NULL)  in alloc_pg_vec()
369 	return pg_vec;  in alloc_pg_vec()
371 	free_pg_vec(pg_vec, order, block_nr);  in alloc_pg_vec()
377 __netlink_set_ring(struct sock *sk, struct nl_mmap_req *req, bool tx_ring, void **pg_vec,  in __netlink_set_ring()  argument
396 	swap(ring->pg_vec, pg_vec);  in __netlink_set_ring()
403 	if (pg_vec)  in __netlink_set_ring()
404 		free_pg_vec(pg_vec, order, req->nm_block_nr);  in __netlink_set_ring()
412 	void **pg_vec = NULL;  in netlink_set_ring()  local
423 		if (ring->pg_vec != NULL)  in netlink_set_ring()
444 		pg_vec = alloc_pg_vec(nlk, req, order);  in netlink_set_ring()
445 		if (pg_vec == NULL)  in netlink_set_ring()
454 		__netlink_set_ring(sk, req, tx_ring, pg_vec, order);  in netlink_set_ring()
461 	if (pg_vec)  in netlink_set_ring()
462 		free_pg_vec(pg_vec, order, req->nm_block_nr);  in netlink_set_ring()
509 		if (ring->pg_vec == NULL)  in netlink_mmap()
523 		if (ring->pg_vec == NULL)  in netlink_mmap()
528 			void *kaddr = ring->pg_vec[i];  in netlink_mmap()
588 	return ring->pg_vec[pg_vec_pos] + (frame_off * ring->frame_size);  in __netlink_lookup_frame()
668 	if (nlk->rx_ring.pg_vec != NULL) {  in netlink_poll()
687 	if (nlk->rx_ring.pg_vec) {  in netlink_poll()
695 	if (nlk->tx_ring.pg_vec) {  in netlink_poll()
931 		if (nlk->rx_ring.pg_vec)  in netlink_sock_destruct()
934 		if (nlk->tx_ring.pg_vec)  in netlink_sock_destruct()
1876 	if (ring->pg_vec == NULL)  in netlink_alloc_skb()
1888 	if (ring->pg_vec == NULL)  in netlink_alloc_skb()