> > > Hello, Zqiang. > > > > > > > > > > // concurrent sr_normal_gp_cleanup work might observe this update. > > > > smp_store_release(&rcu_state.srs_done_tail, wait_tail); > > > > ASSERT_EXCLUSIVE_WRITER(rcu_state.srs_done_tail); > > > > > > > > - if (wait_tail) > > > > + if (wait_tail->next) > > > > queue_work(system_highpri_wq, &sr_normal_gp_cleanup); > > > > > > > > > > I'm testing these patches :) , one question is as follows: > > > Can we use (WQ_MEM_RECLAIM | WQ_HIGHPR)type of workqueue to perform > > > wake-up actions? avoid kworker creation failure under memory pressure, causing > > > the wake-up action to be delayed. > > > > > I do not have any objections in not doing that, so we can add. > > > > Thank for testing this! > > > I forgot to ask, is your testing simulates a low memory condition so > you see the failure you refer to? Or it is just a possible scenario? > I'm not currently testing this feature in low memory scenarios, I thought of this possible scenario. I will test it in a low memory scenario later and let you know if it happens :) . Thanks Zqiang > > Thanks! > > -- > Uladzislau Rezki >
