553 static void netlink_frame_flush_dcache(const struct nl_mmap_hdr *hdr, unsigned int nm_len)  in netlink_frame_flush_dcache()  argument
560 	p_end   = pgvec_to_page((void *)hdr + NL_MMAP_HDRLEN + nm_len - 1);  in netlink_frame_flush_dcache()
761 		unsigned int nm_len;  in netlink_mmap_sendmsg()  local
771 		nm_len = ACCESS_ONCE(hdr->nm_len);  in netlink_mmap_sendmsg()
772 		if (nm_len > maxlen) {  in netlink_mmap_sendmsg()
777 		netlink_frame_flush_dcache(hdr, nm_len);  in netlink_mmap_sendmsg()
779 		skb = alloc_skb(nm_len, GFP_KERNEL);  in netlink_mmap_sendmsg()
784 		__skb_put(skb, nm_len);  in netlink_mmap_sendmsg()
785 		memcpy(skb->data, (void *)hdr + NL_MMAP_HDRLEN, nm_len);  in netlink_mmap_sendmsg()
827 	hdr->nm_len	= skb->len;  in netlink_queue_mmaped_skb()
832 	netlink_frame_flush_dcache(hdr, hdr->nm_len);  in netlink_queue_mmaped_skb()
857 	hdr->nm_len	= skb->len;  in netlink_ring_set_copied()
894 				hdr->nm_len = 0;  in netlink_skb_destructor()