Re: [RFC] mm/migrate: make sure folio_unlock() before folio_wait_writeback()

Byungchul Park
2025-10-03T00:52:36Z

On Fri, Oct 03, 2025 at 09:48:28AM +0900, Byungchul Park wrote:
> On Fri, Oct 03, 2025 at 06:02:10AM +0800, Hillf Danton wrote:
> > On Thu, 2 Oct 2025 13:38:59 +0200 David Hildenbrand wrote:
> > >
> > > If it's a real issue, I wonder if a trylock on the writeback path could
> > > be an option.
> > >
> > Given Thanks to Yunseong for reporting the issue, testing, and confirming if
> > this patch can resolve the issue, could you share your reproducer with
> > reviewers Byungchul?
>
> Sure. Yunseong told me it's 100% reproducable. Yunseong, can you help
> him reproduce the issue, please?

+to ysk@kzalloc.com

>
> Byungchul