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imf30.hostedemail.com; dkim=none; dmarc=none; spf=pass (imf30.hostedemail.com: domain of byungchul@sk.com designates 166.125.252.92 as permitted sender) smtp.mailfrom=byungchul@sk.com ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1760330199; a=rsa-sha256; cv=none; b=iVUMBdlYzzTV5nAjVNqgvGPnD6/UKwN9RUUhMfcip9E3jlHuoUpOuqLZJVpcTZMVode0aU FSLx1hZah4Sc1cqp9aG7nDXQ7e9GKEko6wEHBazjTtfeFoHbs5QfNsxXd2mYNlm/8TynEa fGXug96MbWQIvHviMWVLv1zJtghJiGA= X-AuditID: a67dfc5b-c2dff70000001609-b4-68ec81d4371c Date: Mon, 13 Oct 2025 13:36:31 +0900 From: Byungchul Park To: David Hildenbrand Cc: Yunseong Kim , Hillf Danton , akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, kernel_team@skhynix.com, Yeoreum Yun Subject: Re: [RFC] mm/migrate: make sure folio_unlock() before folio_wait_writeback() Message-ID: <20251013043631.GC6925@system.software.com> References: <20251002081612.53281-1-byungchul@sk.com> <20251002220211.8009-1-hdanton@sina.com> <20251003004828.GA75385@system.software.com> <20251003005230.GB75385@system.software.com> <3b66d603-543d-4616-92a5-9e6e32f116be@kzalloc.com> MIME-Version: 1.0 Content-Type: text/plain; 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However, even though this patch resolved the acutal hang issue, it looked mismatched between the watchdog hang report and the DEPT report. We are now re-checking it using the reproducer. Byungchul > probably getting something wrong)? > > -- > Cheers > > David / dhildenb