22 net/ipv4/
     13 net/decnet/
      9 include/linux/
      8 ipc/
      7 net/ipv4/netfilter/
      6 fs/
      2 net/8021q/
      2 net/core/
      1 drivers/char/ipmi/
      1 kernel/
      1 net/
      1 net/bridge/
      1 net/bridge/netfilter/
      1 net/ipv6/netfilter/