migration/postcopy: Spatial locality page hint for preempt mode (!358) · Merge requests · Red Hat / centos-stream / src / qemu-kvm

JIRA: https://issues.redhat.com/browse/RHEL-85159

This patch introduces the locality hint for postcopy preempt mode, greatly reduce latencies for sequential memory access pattern. Clean cherry pick from upstream, thanks.

Signed-off-by: Peter Xu <peterx@redhat.com>

migration/postcopy: Spatial locality page hint for preempt mode

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