Synchronizing updates of page table status indicators and performing bulk operations
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United States of America Patent
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Jul 5, 2016
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N/A
app pub date -
May 30, 2014
filing date -
May 30, 2014
priority date (Note) -
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Abstract
A synchronization capability to synchronize updates to page tables by forcing updates in cached entries to be made visible in memory (i.e., in in-memory page table entries). A synchronization instruction is used that ensures after the instruction has completed that updates to the cached entries that occurred prior to the synchronization instruction are made visible in memory. Synchronization may be used to facilitate memory management operations, such as bulk operations used to change a large section of memory to read-only, operations to manage a free list of memory pages, and/or operations associated with terminating processes.
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