Asynchronously clearing page frames
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United States of America Patent
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Apr 9, 2019
Grant Date -
Sep 27, 2018
app pub date -
May 31, 2018
filing date -
Sep 29, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
In one embodiment, a computer-implemented method includes producing one or more clean frames by clearing a batch of one or more frames for use in backing virtual memory pages. The producing the one or more clean frames may be performed asynchronously from a unit of work being performed by a processor. The one or more clean frames may be added to a clean frame queue, where the clean frame queue includes a plurality of clean frames that have been cleared. A first request may be received, from the processor, for a frame for use in backing a virtual memory page of the unit of work. A clean frame, of the one or more clean frames, may be removed from the clean frame queue, responsive to the first request. The clean frame may be delivered to the processor, responsive to the first request.
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