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

Byungchul Park
2025-10-03T00:48:34Z

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?

Byungchul