Windows 7 Memory Management

Download Report

Transcript Windows 7 Memory Management

Topics
>
>
>
>
>
>
>
>
Working Set Background
>
>
>
>
>
Working Set Aging/Trimming
>
>
>
>
Working Set General Policies
>
>
>
>
>
>
Working Set Improvements
>
>
>
>
>
>
>
>
>
Task Manager’s Main Screen
Task Manager Working Set Display
PFN Lock Background
>
>
>
>
>
>
>
>
>
PFN Lock : The Problem
>
>
>
PFN Lock : The Scope
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
PFN Lock : The Answer
>
>
>
PFN Lock Replacement Hierarchy
>
>
>
>
>
>
>
>
>
>
>
>
Security : ASLR Background
Image header
Executable
Load Address
+/- 16MB
Executable
Randomly Chosen
Executable
Load Address
DLL Loading
DLLs
Up to
16MB
Kernel Mode
Randomly Chosen
Image-Load Bias
Security : ASLR Background
>
>
>
>
Security : ASLR Improvements
>
>
>
>
>
NUMA
>
>
>
>
>
>
Integrated NVRAM Support
>
>
>
>
>
>
>
>
>
Contiguous/Large Page Memory
>
>
>
>
>
High-End System Support
>
>
>
>
>
>
>
>
Footprint Analysis
>
>
>
>
Focus Areas
>
>
>
>
>
>
>
Questions ?
© 2009 Microsoft Corporation. All rights reserved. Microsoft, Windows, Windows Vista and other product names are or may be registered trademarks and/or trademarks in the U.S. and/or other countries.
The information herein is for informational purposes only and represents the current view of Microsoft Corporation as of the date of this presentation. Because Microsoft must respond to changing market
conditions, it should not be interpreted to be a commitment on the part of Microsoft, and Microsoft cannot guarantee the accuracy of any information provided after the date of this presentation. MICROSOFT
MAKES NO WARRANTIES, EXPRESS, IMPLIED OR STATUTORY, AS TO THE INFORMATION IN THIS PRESENTATION.