在 2020/9/19 上午5:19, Hugh Dickins 写道: >>>> 2.28.0.681.g6f77f65b4e-goog >>> Sorry, Yu, I may be out-of-line in sending this: but as you know, >>> Alex Shi has a long per-memcg lru_lock series playing in much the >>> same area (particularly conflicting in mm/swap.c and mm/vmscan.c): >>> a patchset that makes useful changes, that I'm very keen to help >>> into mmotm a.s.a.p (but not before I've completed diligence). >>> >>> We've put a lot of effort into its testing, I'm currently reviewing >>> it patch by patch (my general silence indicating that I'm busy on that, >>> but slow as ever): so I'm a bit discouraged to have its stability >>> potentially undermined by conflicting cleanups at this stage. >>> >>> If there's general agreement that your cleanups are safe and welcome >>> (Michal's initial reaction sheds some doubt on that), great: I hope >>> that Andrew can fast-track them into mmotm, then Alex rebase on top >>> of them, and I then re-test and re-review. >>> >>> But if that quick agreement is not forthcoming, may I ask you please >>> to hold back, and resend based on top of Alex's next posting? >> The per-memcg lru lock series seems a high priority, and I have >> absolutely no problem accommodate your request. > Many thanks! > >> In return, may I ask you or Alex to review this series after you >> have finished with per-memcg lru lock (to make sure that I resolve >> all the conflicts correctly at least)? > Fair enough: I promise to do so. > > And your rebasing will necessarily lead you to review some parts > of Alex's patchset, which will help us all too. > > Andrew, Yu asked at the start: >>>> I see you have taken this: >>>> mm: use add_page_to_lru_list()/page_lru()/page_off_lru() >>>> Do you mind dropping it? > Dropping that for now will help too. Hi Hugh & Yu, Thanks for all your considerations! I will looking into this series after thing on lru_lock finished. Thanks a lot! Alex