út 30. 8. 2022 v 20:59 odesílatel Sebastian Andrzej Siewior <bigeasy@xxxxxxxxxxxxx> napsal: > > On 2022-08-30 17:48:06 [+0200], Maurizio Lombardi wrote: > > Hmm, this is not good indeed. I guess I should have used for_each_online_cpu() > > instead of on_each_cpu_cond(). > > But you must not invoked that function cross-CPU since the code expects > to access the per-CPU variables always from the local-CPU. Ok, thanks for the clarification. > > > > > > > Couldn't we instead use a workqueue with that WQ_MEM_RECLAIM bit? It may > > > reclaim memory after all ;) > > > > That should also fix it, do you think it would be ok to allocate a workqueue in > > in kmem_cache_init() ? > > I guess so. There is probably none that is already available. > Will test it and submit a patch soon. Thanks, Maurizio