Translation lookaside buffer (TLB) arrangement wherein the TLB contents are retained from task when it is swapped out and reloaded when the task is rescheduled
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United States of America Patent
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Jun 17, 1997
Issued Date -
N/A
app pub date -
Dec 13, 1995
filing date -
Dec 21, 1992
priority date (Note) -
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Abstract
An improved method and apparatus for utilizing Translation Lookaside Buffers (TLB) for maintaining page tables in a paging unit on a computer system. TLB contents for executing tasks are retained when the task is swapped out. The contents are then reloaded into the TLB when the task is again scheduled for execution. Spare memory cycles are utilized to transfer outgoing TLB data into memory, and incoming TLB data for a next scheduled task from memory.
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