Translation lookaside buffer checkpoint system
US7913057B2 · kind B2 · utility
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6References
7Claims
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Key dates
| Filing date | Jan 27, 2006 |
| Grant date | Mar 22, 2011 |
| Priority date | — |
| Expiry date | Jun 1, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F11/1438
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A system that, at a process checkpoint, pauses the process to copy the system state for the process and then copies pages of the process in memory to disk storage while the process continues to run. When a write to a page by the process is to occur that requires a translation from a virtual address to a physical address the write is intercepted. The page that is being modified is duplicated and then the process is allowed to modify the page and continue. The duplicate page is then stored as part of the checkpoint copy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.