V2EX address space

Address Space

定义 Definition

address space(地址空间):计算机系统中某个进程、程序或设备可使用/可访问的内存地址范围与组织方式。常见有虚拟地址空间(进程看到的地址范围)与物理地址空间(真实硬件内存地址范围)。在操作系统与体系结构语境中,这是描述内存如何被映射、保护与分配的核心概念。

发音 Pronunciation (IPA)

/dres spes/

例句 Examples

The process ran out of address space and crashed.
这个进程耗尽了地址空间,结果崩溃了。

Modern operating systems isolate each program in its own address space to improve security and stability.
现代操作系统把每个程序隔离在各自的地址空间中,以提升安全性和稳定性。

词源 Etymology

address 原指“住址/地址”,在计算机领域引申为“用于定位数据的位置编号(内存地址)”;space 表示“空间/范围”。组合成 address space,字面义就是“地址所构成的空间”,即一套可用地址的范围与结构。该术语随操作系统的内存管理与虚拟内存概念普及而广泛使用。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Operating System Concepts(Silberschatz, Galvin, Gagne)讲解进程的虚拟地址空间、内存分配与保护。
  • Modern Operating Systems(Andrew S. Tanenbaum)讨论地址空间隔离、分页/分段与虚拟内存机制。
  • Computer Systems: A Programmer’s Perspective(Bryant & O’Hallaron)从程序员视角解释进程地址空间布局(代码段/堆/栈等)。
  • Understanding the Linux Kernel(Bovet & Cesati)涉及 Linux 的进程地址空间与内存映射实现细节。
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