Dynamic control of partition memory affinity in a shared memory partition data processing system
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United States of America Patent
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Apr 1, 2014
Grant Date -
Dec 6, 2012
app pub date -
Aug 15, 2012
filing date -
Jun 6, 2008
priority date (Note) -
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Abstract
Dynamic control of memory affinity is provided for a shared memory logical partition within a shared memory partition data processing system having a plurality of nodes. The memory affinity control approach includes: determining one or more home node assignments for the shared memory logical partition, with each assigned home node being one node of the plurality of nodes of the system; determining a desired physical page level per node for the shared memory logical partition; and allowing the shared memory partition to run and using the home node assignment(s) and its desired physical page level(s) in the dispatching of tasks to physical processors in the nodes and in hypervisor page memory management to dynamically control memory affinity of the shared memory logical partition in the data processing system.
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