On Tue, 2023-02-28 at 12:28 -0800, Andrew Morton wrote: > On Tue, 28 Feb 2023 20:23:03 +0800 Yin Fengwei > <fengwei.yin@xxxxxxxxx> wrote: > > > Testing done with the V2 patchset in a qemu guest > > with 4G mem + 512M zram: > > - kernel mm selftest to trigger vmscan() and final hit > > try_to_unmap_one(). > > - Inject hwpoison to hugetlb page to trigger try_to_unmap_one() > > call against hugetlb. > > - 8 hours stress testing: Firefox + kernel mm selftest + kernel > > build. > > Was any performance testing done with these changes? I tried to collect the performance data. But found out that it's not easy to trigger try_to_unmap_one() path (the only one I noticed is to trigger page cache reclaim). And I am not aware of a workload can show it. Do you have some workloads suggsted to run? Thanks. Regards Yin, Fengwei
