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Understanding the Linux Kernel
book

Understanding the Linux Kernel

by Daniel P. Bovet, Marco Cesati
October 2000
Intermediate to advanced content levelIntermediate to advanced
704 pages
18h 13m
English
O'Reilly Media, Inc.
Content preview from Understanding the Linux Kernel

Chapter 2. Memory Addressing

This chapter deals with addressing techniques. Luckily, an operating system is not forced to keep track of physical memory all by itself; today's microprocessors include several hardware circuits to make memory management both more efficient and more robust in case of programming errors.

As in the rest of this book, we offer details in this chapter on how Intel 80x86 microprocessors address memory chips and how Linux makes use of the available addressing circuits. You will find, we hope, that when you learn the implementation details on Linux's most popular platform you will better understand both the general theory of paging and how to research the implementation on other platforms.

This is the first of three chapters related to memory management: Chapter 6, discusses how the kernel allocates main memory to itself, while Chapter 7, considers how linear addresses are assigned to processes.

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Publisher Resources

ISBN: 0596000022Catalog PageErrata