- Understanding the Linux Kernel, 2nd Edition
- Preface
- 1. Introduction
- Linux Versus Other Unix-Like Kernels
- Hardware Dependency
- Linux Versions
- Basic Operating System Concepts
- An Overview of the Unix Filesystem
- An Overview of Unix Kernels
- 2. Memory Addressing
- 3. Processes
- 4. Interrupts and Exceptions
- 5. Kernel Synchronization
- Kernel Control Paths
- When Synchronization Is Not Necessary
- Synchronization Primitives
- Synchronizing Accesses to Kernel Data Structures
- Choosing Among Spin Locks, Semaphores, and Interrupt Disabling
- Protecting a data structure accessed by exceptions
- Protecting a data structure accessed by interrupts
- Protecting a data structure accessed by deferrable functions
- Protecting a data structure accessed by exceptions and interrupts
- Protecting a data structure accessed by exceptions and deferrable functions
- Protecting a data structure accessed by interrupts and deferrable functions
- Protecting a data structure accessed by exceptions, interrupts, and deferrable functions
- Choosing Among Spin Locks, Semaphores, and Interrupt Disabling
- Examples of Race Condition Prevention
- 6. Timing Measurements
- 7. Memory Management
- Page Frame Management
- Memory Area Management
- The Slab Allocator
- Cache Descriptor
- Slab Descriptor
- General and Specific Caches
- Interfacing the Slab Allocator with the Buddy System
- Allocating a Slab to a Cache
- Releasing a Slab from a Cache
- Object Descriptor
- Aligning Objects in Memory
- Slab Coloring
- Local Array of Objects in Multiprocessor Systems
- Allocating an Object in a Cache
- Releasing an Object from a Cache
- General Purpose Objects
- Noncontiguous Memory Area Management
- 8. Process Address Space
- The Process’s Address Space
- The Memory Descriptor
- Memory Regions
- Page Fault Exception Handler
- Creating and Deleting a Process Address Space
- Managing the Heap
- 9. System Calls
- 10. Signals
- 11. Process Scheduling
- 12. The Virtual Filesystem
- 13. Managing I/O Devices
- I/O Architecture
- Device Files
- Device Drivers
- Block Device Drivers
- Character Device Drivers
- 14. Disk Caches
- 15. Accessing Files
- 16. Swapping: Methods for Freeing Memory
- What Is Swapping?
- Swap Area
- The Swap Cache
- Transferring Swap Pages
- Swapping Out Pages
- Swapping in Pages
- Reclaiming Page Frame
- 17. The Ext2 and Ext3 Filesystems
- 18. Networking
- 19. Process Communication
- 20. Program Execution
- A. System Startup
- B. Modules
- C. Source Code Structure
- 21. Bibliography
- Index
- Colophon
Colophon
Our look is the result of reader comments, our own experimentation, and feedback from distribution channels. Distinctive covers complement our distinctive approach to technical topics, breathing personality and life into potentially dry subjects.
Mary Brady was the production editor and copyeditor for Understanding the Linux Kernel, Second Edition. Ann Schirmer was the proofreader. Sarah Sherman and Claire Cloutier provided quality control. Judy Hoer and Genevieve d’Entremont provided production assistance. John Bickelhaupt wrote the index.
Edie Freedman designed the cover of this book, based on a series design by herself and Hanna Dyer. The cover image of a man with a bubble is a 19th-century engraving from the Dover Pictorial Archive. Emma Colby produced the cover layout with QuarkXPress 4.1 using Adobe’s ITC Garamond font.
David Futato designed the interior layout. The chapter opening images are from the Dover Pictorial Archive, Marvels of the New West: A Vivid Portrayal of the Stupendous Marvels in the Vast Wonderland West of the Missouri River, by William Thayer (The Henry Bill Publishing Co., 1888), and The Pioneer History of America: A Popular Account of the Heroes and Adventures, by Augustus Lynch Mason, A.M. (The Jones Brothers Publishing Company, 1884). This book was converted to FrameMaker 5.5.6 with a format conversion tool created by Erik Ray, Jason McIntosh, Neil Walls, and Mike Sierra that uses Perl and XML technologies. The text font is Linotype Birka; the heading font is Adobe Myriad Condensed; and the code font is LucasFont’s TheSans Mono Condensed. The illustrations that appear in the book were produced by Robert Romano and Jessamyn Read using Macromedia FreeHand 9 and Adobe Photoshop 6.
The online edition of this book was created by the Safari production group (John Chodacki, Becki Maisch, and Madeleine Newell) using a set of Frame-to-XML conversion and cleanup tools written and maintained by Erik Ray, Benn Salter, John Chodacki, and Jeff Liggett.
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