Hi Huang, >Thanks for detailed description! After reading your patchset and the >description above, I found that the basic part ([1/6] - [3/6]) of the >promotion patchset as follows can be the base for your patchset too. > >https://lore.kernel.org/lkml/20211116013522.140575-1-ying.huang@xxxxxxxxx Yeah, I agree with you. The first 3 patches of the above series are pretty much the base of this series. We can add patch [3/5]-[5/5] after your 3 patches. Then add the patch [1/5] to include the statistics counters. >The main problem of that basic patchset is lacking review. Can I ask >you to help to review that patchset, especially the common base [1/6] - >[3/6]? If you think the rest of the patchset isn't good enough for you, >we can try to merge just [1/6] - [3/6] firstly. Do you agree? Sounds good to me. I would add my reviews within the next couple of days. Thanks, Hasan