April 2022
Beginner to intermediate
708 pages
14h 54m
English
Content preview from Linux Device Driver Development - Second Edition
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Chapter 10: Understanding the Linux Kernel Memory Allocation
Linux systems use an illusion referred to as "virtual memory." This mechanism makes every memory address virtual, which means they do not point to any address in the RAM directly. This way, whenever we access a memory location, a translation mechanism is performed in order to match the corresponding physical memory.
In this chapter, we will deal with the whole Linux memory allocation and management system, covering the following topics:
- An introduction to Linux kernel memory-related terms
- Demystifying address translation and MMU
- Dealing with memory allocation mechanisms
- Working with I/O memory to talk with hardware
- Memory remapping
An introduction to Linux kernel memory-related terms ...
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