old_net 193 include/net/net_namespace.h struct net *old_net); old_net 202 include/net/net_namespace.h struct user_namespace *user_ns, struct net *old_net) old_net 206 include/net/net_namespace.h return old_net; old_net 450 net/core/net_namespace.c struct user_namespace *user_ns, struct net *old_net) old_net 457 net/core/net_namespace.c return get_net(old_net);