Virtual to Physical Memory Mapping
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There are many different approaches to illustrate virtual to physical memory mapping on systems with paging like Windows. Here is another approach that uses natural memory visualization. An image of a user process was generated and juxtaposed to an image of kernel memory dump generated afterwards to produce the combined picture of the full virtual space. Of course, uncommited regions were not included in it as they were not present in user and kernel dumps. Then, after reboot, the same application was launched again and an image of a complete memory dump was generated. Finally, both images were juxtaposed to produce this approximate picture:
In the virtual memory space to the left we see much more granularity. On the contrary, the physical memory space to the right is more uniform and has a different coloring.
- Dmitry Vostokov @ DumpAnalysis.org + TraceAnalysis.org -
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