On Thu, Sep 26, 2024 at 06:46:29PM +0200, Vlastimil Babka wrote: > On 9/26/24 18:40, Uladzislau Rezki wrote: > > On Thu, Sep 26, 2024 at 06:35:27PM +0200, Vlastimil Babka wrote: > >> On 9/18/24 16:40, Uladzislau Rezki wrote: > >> >> > >> > Thank you for valuable feedback! Indeed it is hard to follow, even > >> > though it works correctly. > >> > I will add the comment and also break the loop on first queuing as you > >> > suggested! > >> > > >> > It does not make sense to loop further because following iterations > >> > are never successful > >> > thus never overwrite "queued" variable(it never reaches the > >> > queue_rcu_work() call). > >> > > >> > <snip> > >> > bool queued = false; > >> > ... > >> > for (i = 0; i < KFREE_N_BATCHES; i++) { > >> > if (need_offload_krc(krcp)) { > >> > queued = queue_rcu_work(system_wq, &krwp->rcu_work); > >> > ... > >> > return queued; > >> > <snip> > >> > > >> > if we queued, "if(need_offload_krc())" condition is never true anymore. > >> > > >> > Below refactoring makes it clear. I will send the patch to address it. > >> > >> Looks good, AFAICT. Can you send the full patch then? Thanks. > >> > > I will do so. We can send it from RCU-side for rcX, this merge window or > > you can do it. > > > > What is the best for you? > > Guess I could do via slab tree since the original commit went there too. > Make sense. I will send to you then! -- Uladzislau Rezki