Special system calls, or requests to the UNIX kernel, allocate and free the memory and set permissions; common read and write operations put and get data from the region.
用特殊的系统调用(即对UNIX内核的请求)分配和释放内存并设置权限；通过一般的读写操作读写内存段中的数据。
When AIX needs to free up memory, it can just "release" these pages without having to write anything to disk.
当aix需要清空内存的时候，它只需要“释放”这些分页即可，而不将任何内容写入到磁盘。
The module can detect memory leak, write overflow, free wild pointer and mismatch using of memory functions of the executable files.
可以检测内存泄漏、内存写溢出、释放野指针和内存管理函数的不匹配等问题。
Exploiting the feature of main memory database, we put forward pre-analysis based conflict-free concurrency algorithm by determining the read and write set of the transaction in advance.
考虑到主存数据库特点，通过在事务预分析时确定事务的读写集合，文章给出了一种基于预分析的无冲突并发控制方法。
Exploiting the feature of main memory database, we put forward pre-analysis based conflict-free concurrency algorithm by determining the read and write set of the transaction in advance.
考虑到主存数据库特点，通过在事务预分析时确定事务的读写集合，文章给出了一种基于预分析的无冲突并发控制方法。
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