Vmware, Inc.

Ying Yu

Yury Baskakov

Arunachalam Ramanathan

Anurekh Saxena

Rajesh Venkatasubramanian

Michael Robert Stunes

Frederick Joseph Jacobs

Giritharan Rashiyamany

A method of preserving the contiguity of large pages of a workload during migration of the workload from a source host to a destination host includes the steps of: detecting at the destination host, receipt of a small page of zeros from the source host, wherein, at the source host, the small page is part of one of the large pages of the workload; and upon detecting the receipt of the small page of zeros, storing, at the destination host, all zeros in a small page that is part of one of the large pages of the workload.

Preserving large pages of memory across live migrations of workloads

A method of populating page tables of an executing workload during migration of the executing workload from a source host to a destination host includes the steps of: before resuming the workload at the destination host, populating the page tables of the workload at the destination host, wherein the populating comprises inserting mappings from virtual addresses of the workload to physical addresses of system memory of the destination host; and upon completion of populating the page tables, resuming the workload at the destination host.

Prepopulating page tables for memory of workloads during live migrations

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Bellevue, WA, United States of America

Ying Yu