Re: [PATCH v4 3/4] swap: apply new pw_queue_on() interface

[Sebastian Andrzej Siewior]

On 2026-07-12 18:43:48 [-0300], Leonardo Bras wrote:
> > I thought that this improved since commit
> >   ff042f4a9b050 ("mm: lru_cache_disable: replace work queue synchronization with synchronize_rcu")
> > 
> > Did it get worse or was it not entirely gone?
> > 
> 
> I worked in this patchset majorly after that commit date, and it was still 
> an issue up to last time Marcelo tested. Not sure of the impact of above 
> commit, but I suppose it may have brought some improvements without fully 
> fixing it.

It would be good to know what is still missing and maybe it can be
addressed without introducing this remote locking.

> Thanks!
> Leo

Sebastian