Simulating memory hot add
First Claim
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1. A computer system comprising:
- a memory logically partitioned into a first region and a second region;
a memory controller configured to initialize the first region;
an operating system configured to utilize the first region; and
a system handler configured to simulate a physical hot add of the second region.
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Abstract
Memory is logically partitioned into two regions. A first region may be a similar size relative to the second region or the first region may be a small subset of the memory. The first region of memory is initialized and an operating system utilizes the first region. A system handler simulates a physical hot add of the second region. After the simulated physical hot add, the operating system may utilize the second region as if it were newly added physical memory and/or may utilize both the first region and second region.
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Citations
20 Claims
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1. A computer system comprising:
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a memory logically partitioned into a first region and a second region; a memory controller configured to initialize the first region; an operating system configured to utilize the first region; and a system handler configured to simulate a physical hot add of the second region. - View Dependent Claims (2, 3, 4)
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5. A method for utilizing memory comprising:
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logically partitioning a memory into a first region and a second region; initializing, by a memory controller, the first region; utilizing, by an operating system, the first region; and simulating, by a system handler, a physical hot add of the second region. - View Dependent Claims (6, 7, 8, 9, 10, 11, 12)
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13. A computer program product comprising:
a non-transitory computer readable storage medium having computer readable program code embodied therewith, the computer readable program code comprising; computer readable program code configured to; logically partition a memory into a first region and a second region; initialize the first region; limit the utilization to only the first region; and simulate a physical hot add of the second region. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
Specification