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MANAGING ACCESSING PAGE TABLE ENTRIES

  • US 20130339659A1
  • Filed: 03/07/2013
  • Published: 12/19/2013
  • Est. Priority Date: 06/14/2012
  • Status: Active Grant
First Claim
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1. A computer implemented method for accessing memory locations, the method comprising:

  • translating, by a processor, a virtual address to locate a first page table entry (PTE) in the page table, the first PTE comprising a marker and an address of a page of main storage;

    determining, with the processor, whether a marker is set in the first PTE;

    identifying a large page size of a large page associated with the first PTE based on determining that the marker is set in the first PTE, wherein the large page consists of contiguous pages of main storage;

    determining an origin address of the large page based on determining that the marker is set in the first PTE; and

    using the virtual address to index into the large page at the origin address to access main storage.

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