https://www.cnblogs.com/onlyforcloud/articles/4473981.html
https://www.cnblogs.com/lcw/p/3505503.html
http://baijiahao.baidu.com/s?id=1563367253016382&wfr=spider&for=pc
Linux内存管理
原文：http://www.cnblogs.com/thrillerz/p/7992180.html
