Kernel 问题小记

1.Override kernel module

   https://www.centos.org/forums/viewtopic.php?f=13&t=53002 

2. support SO_REUSEPORT option

    http://xiaorui.cc/2015/12/02/%E4%BD%BF%E7%94%A8socket-so_reuseport%E6%8F%90%E9%AB%98%E6%9C%8D%E5%8A%A1%E7%AB%AF%E6%80%A7%E8%83%BD/