In this lab, you will write the memory management code for your operating system. Memory management has two components. The first component is a physical memory allocator for the kernel, so that the kernel can allocate memory and later free it.

mjpg-streamer-r63源码，采用模块化设计，包含7个组件，并规定好了各组件之间的承接关系，-mjpg-streamer-r63 source, modular design, comprising seven components, and provides for a good relationship between components undertake,

这个程序是基于java 语言的 modbus控制系统，主要通过实现modbus协议控制元件。--the application is based on the java Modbus serial control system, and control the components by using modbus protocol .