Page replacement policy for systems having multiple page sizes

Details Page replacement policy for systems having multiple page sizes Page replacement policy for systems having multiple page sizes

2008-02-05

2009-02-03

Bragdon, Reginald G (Department: 2189)

Electrical computers and digital processing systems: memory

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C711S206000

Reexamination Certificate

active

07487329

ABSTRACT:
In a data processing system utilizing multiple page sizes for virtual memory paging, a system, method, and article of manufacture for managing page replacement. In one embodiment, the page replacement method begins with a page frame allocation request, such as may be generated following a page fault. A page replacement procedure is invoked to select one or more pages to be replaced by the requested page(s). In a preferred embodiment, the page replacement includes a step of selecting, in accordance with a page type allocation of at least one of the multiple page sizes, a page size to be utilized for page replacement for the page frame allocation request.

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