Virtual memory control management system

Details Virtual memory control management system Virtual memory control management system

1988-09-26

1991-01-08

Heckler, Thomas M.

Boots, shoes, and leggings

3642563, 3642543, G06F 1208

Patent

active

049841505

ABSTRACT:
Working sets, each of which is specific to a code section, a data section, and a stack of a task are arranged in a memory. Page-in and page-out processing sections are arranged in the working sets. A determination section determines a code section virtual space, data section virtual space, or stack virtual space to which a virtual page causing a page fault belongs, and supplies a page-in request to one of the page-in processing sections corresponding to the working sets. When the corresponding working set is not full, the page-in processing section reads in the virtual page causing the page fault in the working set. When the working set is full, the page-in processing section supplies a page-out request to a page-out processing section.

REFERENCES:
patent: 3854126 (1974-12-01), Gray et al.
Cesa et al., "Least-Recently-Used Methodologies within EDAM", IBM Tech. Discl., vol. 23, No. 11B, Apr. 1982, pp. 5981-5984.

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