在 2019/8/22 下午11:20, Daniel Jordan 写道: >> >>> https://git.kernel.org/pub/scm/linux/kernel/git/wfg/vm-scalability.git/tree/case-lru-file-readtwice> >>> It's also synthetic but it stresses lru_lock more than just anon alloc/free. It hits the page activate path, which is where we see this lock in our database, and if enough memory is configured lru_lock also gets stressed during reclaim, similar to [1]. >> >> Thanks for the sharing, this patchset can not help the [1] case, since it's just relief the per container lock contention now. > > I should've been clearer. [1] is meant as an example of someone suffering from lru_lock during reclaim. Wouldn't your series help per-memcg reclaim? yes, I got your point, since the aim9 don't show much improvement, I am trying this case in containers. Thanks Alex