深入理解Linux内核 第3版【2025|PDF下载-Epub版本|mobi电子书|kindle百度云盘下载】

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1.Introduction1

Linux Versus Other Unix-Like Kernels2

Hardware Dependency6

Linux Versions7

Basic Operating System Concepts8

An Overview of the Unix Filesystem12

An Overview of Unix Kernels19

2.Memory Addressing35

Memory Addresses35

Segmentation in Hardware36

Segmentation in Linux41

Paging in Hardware45

Paging in Linux57

3.Processes79

Processes, Lightweight Processes, and Threads79

Process Descriptor81

Process Switch102

Creating Processes114

Destroying Processes126

4.Interrupts and Exceptions131

The Role of Interrupt Signals132

Interrupts and Exceptions133

Nested Execution of Exception and Interrupt Handlers143

Initializing the Interrupt Descriptor Table145

Exception Handling148

Interrupt Handling151

Softirqs and Tasklets171

Work Queues180

Returning from Interrupts and Exceptions183

5.Kernel Synchronization189

How the Kernel Services Requests189

Synchronization Primitives194

Synchronizing Accesses to Kernel Data Structures217

Examples of Race Condition Prevention222

6.Timing Measurements227

Clock and Timer Circuits228

The Linux Timekeeping Architecture232

Updating the Time and Date240

Updating System Statistics241

Software Timers and Delay Functions244

System Calls Related to Timing Measurements252

7.Process Scheduling258

Scheduling Policy258

The Scheduling Algorithm262

Data Structures Used by the Scheduler266

Functions Used by the Scheduler270

Runqueue Balancing in Multiprocessor Systems284

System Calls Related to Scheduling290

8.Memory Management294

Page Frame Management294

Memory Area Management323

Noncontiguous Memory Area Management342

9.Process Address Space351

The Process's Address Space352

The Memory Descriptor353

Memory Regions357

Page Fault Exception Handler376

Creating and Deleting a Process Address Space392

Managing the Heap395

10.System Calls398

POSIX APIs and System Calls398

System Call Handler and Service Routines399

Entering and Exiting a System Call401

Parameter Passing409

Kernel Wrapper Routines418

11.Signals420

The Role of Signals420

Generating a Signal433

Delivering a Signal439

System Calls Related to Signal Handling450

12.The Virtual Filesystem456

The Role of the Virtual Filesystem （VFS）456

VFS Data Structures462

Filesystem Types481

Filesystem Handling483

Pathname Lookup495

Implementations of VFS System Calls505

File Locking510

13.I/O Architecture and Device Drivers519

I/O Architecture519

The Device Driver Model526

Device Files536

Device Drivers540

Character Device Drivers552

14.Block Device Drivers560

Block Devices Handling560

The Generic Block Layer566

The I/O Scheduler572

Block Device Drivers585

Opening a Block Device File595

15.The Page Cache599

The Page Cache600

Storing Blocks in the Page Cache611

Writing Dirty Pages to Disk622

The sync（）, fsync（）, and fdatasync（） System Calls629

16.Accessing Files631

Reading and Writing a File632

Memory Mapping657

Direct I/O Transfers668

AsynchronousI/O671

17.Page Frame Reclaiming676

The Page Frame Reclaiming Algorithm676

Reverse Mapping680

Implementing the PFRA689

Swapping712

18.The Ext2 and Ext3 Filesystems738

General Characteristics of Ext2738

Ext2 Disk Data Structures741

Ext2 Memory Data Structures750

Creating the Ext2 Filesystem753

Ext2 Methods755

Managing Ext2 Disk Space757

The Ext3 Filesystem766

19.Process Communication775

Pipes776

FIFOs787

System V IPC789

POSIX Message Queues806

20.Program Execution808

Executable Files809

Executable Formats824

Execution Domains827

The exec Functions828

A.System Startup835

B.Modules842

Bibliography852

Source Code Index857

Index905