Privilege based memory pinning mechanism
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United States of America Patent
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Mar 20, 2018
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N/A
app pub date -
Mar 11, 2015
filing date -
Mar 11, 2015
priority date (Note) -
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Abstract
A method for privilege based memory pinning is provided. The method includes receiving a request to pin an amount of address space memory from a process executing on an operating system. The operating system includes a configurable mode of operation. In mandatory mode, the operating system executes the request to pin address space memory based on the role hierarchy-based privilege level of the requestor process. When the requested amount is greater than the operating system's amount of memory that can be used to pin memory, the operating system fails the request. However, when the operating can satisfy the request from processes having a lower privilege level relative to the requestor process, memory is unpinned from one or more of these processes.
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