例如，您可能有一个单独的表，其中列出您想要追踪的公司。

For example, you might have a separate table with a list of companies you're interested in tracking.

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如果您的一个进程要使用4 KB的页来映射1 GB内存，这将用到262,144个页表条目来保持对那些页的追踪。

If you have a process that maps 1 GB of memory with 4 KB pages, it would take 262,144 page-table entries to keep track of those pages.

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在Linux内存管理器中，页表保持对进程使用的内存物理页的追踪，它们将虚拟页映射到物理页。

In the Linux memory manager, page tables keep track of the physical pages of memory that are used by a process, and they map the virtual pages to the physical pages.

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