https://jingyan.baidu.com/article/fea4511aae67fcb7ba912550.html
https://www.cnblogs.com/Dark-fire-liehuo/p/9810827.html
http://baijiahao.baidu.com/s?id=1655769152512524764&wfr=spider&for=pc
https://blog.csdn.net/weixin_44328487/article/details/101430516
https://www.cnblogs.com/hjw-zq/p/8809227.html
--linux 内核
https://www.cnblogs.com/ywcz060/p/5566086.html
http://www.ttlsa.com/linux/linux-kernel-tuning-section-parameter-description/