V2EX page-table

Page-Table

释义 Definition

页表:操作系统与硬件内存管理中使用的一种数据结构,用来把虚拟地址映射到物理地址,并记录权限、有效位、脏页等信息。(常见于分页机制与虚拟内存系统)

发音 Pronunciation (IPA)

/ped tebl/

例句 Examples

The page-table maps virtual pages to physical frames.
页表把虚拟页映射到物理页框。

When a process accesses memory, the CPU consults the page-table (often via the TLB) to translate the virtual address and enforce access permissions.
当进程访问内存时,CPU会查阅页表(通常借助TLB)来转换虚拟地址,并执行访问权限检查。

词源 Etymology

page(“页”,指分页系统中的内存页)和 table(“表”,指条目组成的表格结构)组合而成;该术语随着现代操作系统的分页(paging)虚拟内存(virtual memory)概念普及而固定下来。

相关词 Related Words

文学与名著中的用例 Literary Works

  • Modern Operating Systems(Andrew S. Tanenbaum):讨论分页、页表结构与多级页表等经典内容。
  • Operating System Concepts(Silberschatz, Galvin, Gagne):在虚拟内存章节中系统讲解页表与缺页异常。
  • Computer Systems: A Programmer’s Perspective(Bryant & O’Hallaron):结合硬件与系统软件视角介绍地址翻译与页表。
  • Intel 64 and IA-32 Architectures Software Developer’s Manual:以硬件实现细节描述页表层级、页表项位域与权限控制。
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