Commits
Gao feng committed 082c7ca42b0
net: ipv4: fix waring -Wunused-variable the vars ip_rt_gc_timeout is used only when CONFIG_SYSCTL is selected. move these vars into CONFIG_SYSCTL. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Signed-off-by: David S. Miller <davem@davemloft.net>