NLM_F_ACK         942 kernel/audit.c 		} else if (nlh->nlmsg_flags & NLM_F_ACK)
NLM_F_ACK         461 net/ipv4/netfilter/ip_queue.c 	if (flags & NLM_F_ACK)
NLM_F_ACK         464 net/ipv6/netfilter/ip6_queue.c 	if (flags & NLM_F_ACK)
NLM_F_ACK        1695 net/netlink/af_netlink.c 		if (nlh->nlmsg_flags & NLM_F_ACK || err)