×

Methods and apparatus for multiple memory maps and multiple page caches in tiered memory

  • US 10,235,291 B1
  • Filed: 09/20/2016
  • Issued: 03/19/2019
  • Est. Priority Date: 05/28/2014
  • Status: Active Grant
First Claim
Patent Images

1. A method, comprising:

  • accessing a first memory tier having regions;

    accessing a second memory tier having regions;

    accessing physical memory having a plurality of page caches that are shareable with multiple ones of the regions in the first memory tier and the regions in the second memory tier; and

    utilizing virtual memory having mmaps mapping each of the regions in the first memory tier and the second memory tier to one or more page caches of the plurality of page caches, wherein a first one of the plurality of page caches is shared by a first region in the first memory tier and a first region in the second memory tier,wherein the virtual memory having mmaps includes a first mmap of the first region in the first memory tier and a second mmap of the first region in the second memory tier, wherein the first and second mmaps are associated with the first one of the plurality of page caches.

View all claims
  • 6 Assignments
Timeline View
Assignment View
    ×
    ×