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本文深入探讨了计算机系统中内存管理的重要组成部分，包括静态链接、动态链接、共享库、单分区单道程序、多道程序、CPU利用率、内存分配算法如伙伴系统和slab分配器，以及MMU的角色。内存管理在确保进程高效运行、处理内存碎片和实现虚拟地址到物理地址转换等方面发挥关键作用。
Memory Management
Paul Krzyzanowski
last update: March 25, 2012
We are able to find everything in our memory, which is like a dispensary or chemical laboratory in which chance steers our hand sometimes to a soothing drug and sometimes to a dangerous poison.
— Marcel Proust, Remembrance of Things Past, vol. 10, “The Captive,” pt. 2, ch. 3
Introduction
One of the most-demanded resources in computers (other than the CPU) is system memory. Every process needs it since a process’ code, stack, heap (dynamically-allocated structures), and data (variables) must all reside in memory. A processor reads instructions from memory and reads/writes data from/to memory. The functional interface of memory is:
value = read(address): read the contents
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