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School of Computer Science & Engineering
University of New South Wales
Advanced Operating Systems
COMP9242 2002/S2

Next: References Up: 03-cache Previous: Address Space Usage vs.

Origins of sparse address-space use

Modern OS features:
- memory-mapped files,
- dynamically-linked libraries,
- mapping IPC (server-based systems)...
This problem gets worse 64-bit address spaces:
- bigger page tables.
An in-depth study of such effects can be found in [UNS$^+$94].

Gernot Heiser 2002-08-15

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