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MANAGING ENCLAVE MEMORY PAGES

  • US 20180060237A1
  • Filed: 08/31/2016
  • Published: 03/01/2018
  • Est. Priority Date: 08/31/2016
  • Status: Active Grant
First Claim
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1. A processing device comprising:

  • a first counter having a first count value of a number of child pages among a plurality of child pages present in an enclave memory of a first virtual machine (VM), wherein the plurality of child pages are associated with a parent page in the enclave memory; and

    a second counter having a second count value of a number of child pages among the plurality of child pages not present in the enclave memory and being shared by a second VM, wherein the second VM is different from the first VM, wherein a non-zero value of at least one of the first counter or the second counter prevents eviction of the parent page from the enclave memory.

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