http://g.oswego.edu/dl/html/malloc.html
http://www.cppblog.com/yangfan/articles/117132.html
http://www.malloc.de/en/
http://dev.firnow.com/course/6_system/linux/Linuxjs/2008618/126300.html
http://www.google.com.hk/search?q=ptmalloc&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:zh-CN:official&client=firefox-a