6、维。最终有所收获。2Linux代码分析为了进一步了解操作系统内核,学习了Linux操作系统的进程同步。主要源代码如下复制进程的页目录页表。int copy_page_tables(unsigned long from,unsigned long to,long size) { unsigned long * from_page_table; unsigned long * to_page_table; unsigned long this_page; unsigned long * from_dir, * to_dir; unsigned long nr; /