操作系统内存管理的主要问题是存储空间的分配和回收。

The main problems in the memory management of operating system are the distribution and recovery of the storage space.

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这确保将分页空间的分配延迟到必须调出页面的时候，从而确保不会浪费分页空间。

This works by making sure that the allocation of paging space is delayed until the time that it is necessary to page out the page, which ensures that there is no wasted paging space.

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以高可靠、高性能为目标，完成数据平台存储体系的设计和数据库物理空间的分配。

Third, aimed with high reliability and high performance, designing and implementing data storage system to realize database physical space allocation.

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So in the end, this is just saying allocate me as many bytes s1 as were needed to store s1 itself.

最终，这个只是表示给我分配,足够多的空间来存储。

哈佛公开课 - 计算机科学课程节选

So, we have a lot of shared rooms which helps

所以，我们有很多共用的房间，这有益于分配空间，

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And I can give a name to that, so c p 1 and c p 2 are both going to point to that.

为这个实例分配了空间，现在它是空的,实际上也不完全是空的。

麻省理工公开课 - 计算机科学及编程导论课程节选