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Large-Page Optimization in Virtual Memory Paging Systems

  • US 20090182976A1
  • Filed: 01/15/2008
  • Published: 07/16/2009
  • Est. Priority Date: 01/15/2008
  • Status: Active Grant
First Claim
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1. A memory management unit of a computer system that employs page tables to map virtual memory pages to physical memory pages, comprising:

  • a translation lookaside buffer (TLB) for storing a number of mappings of virtual memory pages to physical memory pages; and

    a hardware page walker for accessing the page tables when a mapping of a particular virtual memory page to a particular physical memory page is not stored in the TLB, and causing an incrementing of multi-bit counters that are associated with entries of the page tables.

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