This article makes a study of the memory management mechanism in VxWorks. First it gives the memory views of the system both during and after the booting of VxWorks. Then it talks about the dynamic allocating and freeing of memory in VxWorks. In the end it gives a discussion of the memory protection in VxWorks.%本文对嵌入式操作系统VxWorks的内存管理机制进行了研究。首先分析了系统启动阶段以及启动后系统的内存视图，然后分析了VxWorks中内存的分配与释放，最后对VxWork的内存保护机制进行了研究。本文对嵌入式系统的应用与开发有一定的参考价值。
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