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cloud-hypervisor/vmm
Rob Bradford 7042922e83 vmm: Add a final memory pass after capturing snapshot
During migration send one final set of changed memory after capturing
the snapshot/state. This captures any memory changed as a side effect of
capturing that state. In particular with vhost-user capturing the device
state can lead to inflight requests being drained/flushed which could
change memory. As this is related to the snapshot account for this
memory transfer in the snapshot metrics.

No equivalent change is needed for snapshot as the memory is written
after the state is snapshotted.

Signed-off-by: Rob Bradford <rbradford@meta.com>
2026-06-11 08:00:50 +00:00
..
2026-06-10 21:29:40 +00:00