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Message-ID: <20251003004828.GA75385@system.software.com>
Date: Fri, 3 Oct 2025 09:48:28 +0900
From: Byungchul Park <byungchul@...com>
To: Hillf Danton <hdanton@...a.com>
Cc: David Hildenbrand <david@...hat.com>, akpm@...ux-foundation.org,
linux-mm@...ck.org, linux-kernel@...r.kernel.org,
kernel_team@...ynix.com
Subject: Re: [RFC] mm/migrate: make sure folio_unlock() before
folio_wait_writeback()
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
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