Re: [PATCH v4 3/4] swap: apply new pw_queue_on() interface
Sebastian Andrzej Siewior <[email protected]>
| Newsgroups | dev.linux.lists.linux-rt-devel,org.kernel.vger.linux-doc,org.kernel.vger.linux-kernel,org.kvack.linux-mm |
|---|---|
| Message-ID | <[email protected]> |
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