ipmr_notifier_ops 219 include/net/netns/ipv4.h struct fib_notifier_ops *ipmr_notifier_ops; ipmr_notifier_ops 3066 net/ipv4/ipmr.c net->ipv4.ipmr_notifier_ops = ops; ipmr_notifier_ops 3073 net/ipv4/ipmr.c fib_notifier_ops_unregister(net->ipv4.ipmr_notifier_ops); ipmr_notifier_ops 3074 net/ipv4/ipmr.c net->ipv4.ipmr_notifier_ops = NULL;