On Wed, Nov 15, 2017 at 7:36 AM, Tonghao Zhang <xiangxia.m....@gmail.com> wrote: > diff --git a/net/core/sock.c b/net/core/sock.c > index b899d8669388..f01ed0b41bde 100644 > --- a/net/core/sock.c > +++ b/net/core/sock.c > @@ -145,6 +145,10 @@ > static DEFINE_MUTEX(proto_list_mutex); > static LIST_HEAD(proto_list); > > +#ifdef CONFIG_PROC_FS > +static void sock_inuse_add(struct net *net, int val); > +#endif > + > /** > * sk_ns_capable - General socket capability test > * @sk: Socket to use a capability on or through > @@ -1536,6 +1540,7 @@ struct sock *sk_alloc(struct net *net, int family, > gfp_t priority, > if (likely(sk->sk_net_refcnt)) > get_net(net); > sock_net_set(sk, net); > + sock_inuse_add(net, 1);
You don't need to define a nop for sock_inuse_add() in !CONFIG_PROC_FS case?
