Memory Management: What Every Driver Writer Needs to Know

Updated: March 4, 2005
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Memory Management: What Every Driver Writer Needs to Know

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Updated: Feb 28, 2005
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This paper provides information about allocating and using memory in kernel-mode drivers for the Windows family of operating systems. It describes the types of memory that are available for driver use, the appropriate techniques for allocating and using each type, and the best ways to test for memory-related problems.

This information applies for the following operating systems:
Microsoft Windows Vista
Microsoft Windows Server 2003
Microsoft Windows XP
Microsoft Windows 2000

Included in this white paper:

Virtual and Physical Memory

Virtual Address Space

Physical Address Space

Memory Descriptor Lists

Pool Memory

Kernel Stack

Memory Allocation Techniques

Accessing Device Registers

Accessing Memory for I/O Buffers

Mapping Device Memory and Registers into User Space

Shared Memory and Synchronization

Testing and Troubleshooting


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