International Business Machines Corporation

Suma M B Bhat

Chetan L Gaonkar

Vamshi Krishna Thatikonda

Keerthi B Kumar

Deepak L Ranganath

A page compression strategy classifies uncompressed pages selected for compression. Similarly classified pages are compressed and bound into a single logical page. For logical pages having pages with more than one classification, a weighting factor is determined for the logical page.

Page compression strategy for improved page out process

A rule-based method for pre-fetching 'important pages' from memory paging space back into kernel memory space performs the following steps: (i) establishing a first machine logic based rule, with the machine logic based rule including a first triggering condition and a first consequential responsive action; (ii) determining that the first triggering condition has occurred; and (iii) in response to the determination that the first triggering condition has occurred, performing the first consequential responsive action. The first triggering condition includes the following sub-conditions: (i) at least one of a first set of important page(s) of a computer system has been paged out of kernel memory space and into paging memory space, and (ii) a processing status of the computer system indicates that the first set of important page(s) will be likely to be required for computer operations.

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Bengaluru, India

Suma M B Bhat