linux-kernel - Re: [RFC] mm/migrate: make sure folio_unlock() before folio_wait

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Message-ID: <20251002220211.8009-1-hdanton@sina.com>
Date: Fri,  3 Oct 2025 06:02:10 +0800
From: Hillf Danton <hdanton@...a.com>
To: David Hildenbrand <david@...hat.com>
Cc: Byungchul Park <byungchul@...com>,
	akpm@...ux-foundation.org,
	linux-mm@...ck.org,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC] mm/migrate: make sure folio_unlock() before folio_wait_writeback()

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?