http://blog.csdn.net/flyingdon/article/details/5107346 kmalloc
http://blog.csdn.net/gxfan/article/details/2723455 kmalloc vmalloc和kmap的区别以及下一篇关于内存布局
http://blog.csdn.net/xiaojsj111/article/details/11817587 kmap的实现
http://blog.chinaunix.net/uid-26669729-id-3077015.html mmap的实现
http://blog.csdn.net/edwardlulinux/article/details/8604400 mmap的实现
http://blog.163.com/chenhongswing@126/blog/static/133592443201182135334118/比较全