Peter Xu <[email protected]> writes: > This is a follow up on the other commit "migration/ram: avoid to do log > clear in the last round" but for postcopy. > > https://lore.kernel.org/r/[email protected] > > I can observe more than 10% reduction of average page fault latency during > postcopy phase with this optimization: > > Before: 268.00us (+-1.87%) > After: 232.67us (+-2.01%) > > The test was done with a 16GB VM with 80 vCPUs, running a workload that > busy random writes to 13GB memory. > > Cc: Yanfei Xu <[email protected]> > Signed-off-by: Peter Xu <[email protected]>
Reviewed-by: Fabiano Rosas <[email protected]>
