[CSE]  Advanced Operating Systems 
 COMP9242 2002/S2 
UNSW

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History
- 2000
- 1999
- 1998
 
Staff
- Gernot Heiser (LiC)

 
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Subsections

Flexpages

  • Describe virtual memory regions for use in mapping operations.
  • Generalisation of pages by abstracting over page size.
  • Usually called fpages.

Properties

  • size \(2^s\), (\(\geq\) hardware page size),
  • aligned to \(2^s\)
  • kernel should try to map whole fpage as a single super-page
  • partially populated fpages: an fpage refers to all mapped pages within the region designated by it.



Gernot Heiser 2002-08-07