Method and apparatus for virtual memory segmentation

Details Method and apparatus for virtual memory segmentation Method and apparatus for virtual memory segmentation

2005-12-27

2005-12-27

Sparks, Donald (Department: 2189)

Electrical computers and digital processing systems: memory

Address formation

C711S202000, C711S203000, C711S206000, C711S208000

Reexamination Certificate

active

06981120

ABSTRACT:
Memory and processing required for managing virtual memory segments is reduced by overloading the existing page table entries in a virtual memory page table to encode virtual memory segmentation data. Therefore, no additional data structures are required for virtual memory segment management. Virtual memory segmentation information is stored in the actual page table entries, using bits that are reserved as unused for the given computer architecture to identify the virtual memory segment management information.

REFERENCES:
patent: 6145064 (2000-11-01), Long et al.
patent: 6425039 (2002-07-01), Yoshioka et al.
patent: 6658538 (2003-12-01), Arimilli et al.
patent: 6886085 (2005-04-01), Shuf et al.
patent: 2004/0078631 (2004-04-01), Rogers et al.

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