[IPV4]: possible cleanups

This patch contains the following possible cleanups:
- make needlessly global code static
- #if 0 the following unused global function:
  - xfrm4_state.c: xfrm4_state_fini
- remove the following unneeded EXPORT_SYMBOL's:
  - ip_output.c: ip_finish_output
  - ip_output.c: sysctl_ip_default_ttl
  - fib_frontend.c: ip_dev_find
  - inetpeer.c: inet_peer_idlock
  - ip_options.c: ip_options_compile
  - ip_options.c: ip_options_undo
  - net/core/request_sock.c: sysctl_max_syn_backlog

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 4 deletions

diff --git a/include/net/route.h b/include/net/route.h
index c3cd069a9aca..63c94558236d 100644
--- a/include/net/route.h
+++ b/include/net/route.h
@@ -105,10 +105,6 @@ struct rt_cache_stat
         unsigned int out_hlist_search;
 };
 
-extern struct rt_cache_stat *rt_cache_stat;
-#define RT_CACHE_STAT_INC(field)                                          \
-                (per_cpu_ptr(rt_cache_stat, raw_smp_processor_id())->field++)
-
 extern struct ip_rt_acct *ip_rt_acct;
 
 struct in_device;