Invention Grant
- Patent Title: Categorizing memory pages based on page residences
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Application No.: US14485968Application Date: 2014-09-15
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Publication No.: US09436601B2Publication Date: 2016-09-06
- Inventor: Chetan L. Gaonkar , Lakshmi Priya , Chidambar Y. Kulkarni , Vamshi K. Thatikonda
- Applicant: International Business Machines Corporation
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent Alexander G. Jochym
- Main IPC: G06F12/00
- IPC: G06F12/00 ; G06F12/02

Abstract:
Embodiments of the present invention provide hints for page stealing by prioritizing pages based on the number of residences. Receiving a plurality of pages to be hinted to a hypervisor for page stealing. Determining at least two page types of the plurality of pages. Determining whether any of the at least two page types has a total number of residences less than a total number of potential residences in the virtual environment for all page types and have a total number of residences less than a threshold. Responsive to determining a first page type of the at least two page types has a total number of residences less than a total number of potential residences for all page types and has a total number of residences less than a threshold, notifying the hypervisor of at least one page from the plurality of pages that is the determined first page type.
Public/Granted literature
- US20160077965A1 Categorizing Memory Pages Based On Page Residences Public/Granted day:2016-03-17
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