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 Title: |
US6826671:
Method and device for a context-based memory management system
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Ostrovsky, Boris; Sudbury, MA
Cassiday, Daniel R.; Topsfield, MA
Feehrer, John R.; Westford, MA
Wood, David A.; Madison, WI
Pillai, Pazhani; Billerica, MA
Jackson, Christopher J.; Westford, MA
Hill, Mark Donald; Madison, WI
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| Assignee: |
Sun Microsystems, Inc., Santa Clara, CA
other patents from SUN MICROSYSTEMS, INC. (551495) (approx. 3,879)
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| Published / Filed: |
2004-11-30
/ 2001-10-09
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| Application Number: |
US2001000973279
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| IPC Code: |
Advanced:
G06F 12/10;
Core:
more...
IPC-7:
G06F 12/10;
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| ECLA Code: |
G06F12/10S;
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| U.S. Class: |
711/207;
711/156;
711/159;
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| Field of Search: |
711/206,207,156,159
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| Priority Number: |
| 2001-10-09 |
US2001000973279 |
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| Abstract: |
A method and device for virtual memory support in a computer system using a mapping structure for address translation. Mapping indicators are associated with each process context and each mapping structure entry. When a context is demapped the mapping indicator associated with the context is changed and the mapping indicator in each mapping structure entry is employed to immediately invalidate further memory accesses for that context.
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| Attorney, Agent or Firm: |
Meyertons Hood Kivlin Kowert & Goetzel, P.C. ;
Kivlin, B. Noel ;
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| Primary / Asst. Examiners: |
Lane, Jack;
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| Maintenance Status: |
CC Certificate of Correction issued
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| INPADOC Legal Status: |
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| Family: |
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First Claim:
Show all 22 claims |
What is claimed is:
1. A method for controlling virtual memory in a computer system with a plurality of process contexts, wherein the system comprises a mapping structure for address translations, wherein the mapping structure comprises a plurality of translation entries, the method comprising:
- setting a translation entry mapping indicator for each translation entry associated with a given context to the value of a mapping indicator for the given context;
- setting a validity flag for each translation entry associated with the given context; and
- demapping the given context by changing the mapping indicator and a cleanup indicator for the given context.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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