From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from canpmsgout06.his.huawei.com (canpmsgout06.his.huawei.com [113.46.200.221]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 2615732BF5C; Thu, 9 Jul 2026 03:18:34 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=113.46.200.221 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783567119; cv=none; b=Vfx9GUUTkAL4CYZKwcehDj99YACLVtgq9DHj3jPhvKo15/fPAlDbh8bLPsTTr9Iv2L798nUCaoKJpMegAUL/JVgia7PzlPf6wvL0ZFTZc67qu8Z4pgflW17KUfkxzj1FYtC3UF1DMjUIOmYEp9zN5jZ7VzyMX6eQSE7vO2Vi9po= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1783567119; c=relaxed/simple; bh=hMZdu7a46AUXybubTrcKNUagaWm06hd3RYIYs8wjS0M=; h=Subject:To:CC:References:From:Message-ID:Date:MIME-Version: In-Reply-To:Content-Type; b=ZieK+p4hEIGIyiX8WaB8IDqU7wc9b/s8jvu6QN4sCC0UUaIrgcsQ4H4LmE4FVospD0Rik013e+c9OxRhwSEbUVhe9agky6MlSUo4AI2D7w1Acru11I4dSxEX+hzaD9ALSS/4CRfKIpw0SGegdZS2/iGZ2SQRgsqQ3nHEv+bSTv8= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com; spf=pass smtp.mailfrom=huawei.com; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b=JJOuD/rD; arc=none smtp.client-ip=113.46.200.221 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=huawei.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=huawei.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=huawei.com header.i=@huawei.com header.b="JJOuD/rD" dkim-signature: v=1; a=rsa-sha256; d=huawei.com; s=dkim; c=relaxed/relaxed; q=dns/txt; h=From; bh=hzrq08S63xNTVU7E8KWRcfGp4/hYHhmDRNHdz9i3UrU=; b=JJOuD/rDeHv2AAUyFTLf3x7iXUtLjFXZYvkTy6Ywb3hltv2TeHbFvQCZpFa+2vvcGpbd8WhCL PGTPywS8IWiUjQHUVPghi3lN4ht0fTpo9Npjihv8XxcU0cuzkzf9+OSoQSDXn4+7YZ9muDOimX+ VrJZppqxd2vVRFG0wLRMb5M= Received: from mail.maildlp.com (unknown [172.19.163.0]) by canpmsgout06.his.huawei.com (SkyGuard) with ESMTPS id 4gwg0t5twpzRhv6; Thu, 9 Jul 2026 11:09:18 +0800 (CST) Received: from dggemv706-chm.china.huawei.com (unknown [10.3.19.33]) by mail.maildlp.com (Postfix) with ESMTPS id 0DD554057A; Thu, 9 Jul 2026 11:18:32 +0800 (CST) Received: from kwepemq500010.china.huawei.com (7.202.194.235) by dggemv706-chm.china.huawei.com (10.3.19.33) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 9 Jul 2026 11:18:31 +0800 Received: from [10.173.124.160] (10.173.124.160) by kwepemq500010.china.huawei.com (7.202.194.235) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1544.11; Thu, 9 Jul 2026 11:18:30 +0800 Subject: Re: [PATCH v10 5/6] Documentation: document panic_on_unrecoverable_memory_failure sysctl To: Breno Leitao CC: , , , , , , Andrew Morton , David Hildenbrand , "Lorenzo Stoakes" , Vlastimil Babka , Mike Rapoport , Suren Baghdasaryan , Michal Hocko , Shuah Khan , Naoya Horiguchi , Jonathan Corbet , Shuah Khan , "Liam R. Howlett" , , Steven Rostedt , "Masami Hiramatsu" , Mathieu Desnoyers References: <20260630-ecc_panic-v10-0-c6ed5b62eea2@debian.org> <20260630-ecc_panic-v10-5-c6ed5b62eea2@debian.org> From: Miaohe Lin Message-ID: <30215c3f-c063-e7ca-1499-3d61e359ef80@huawei.com> Date: Thu, 9 Jul 2026 11:18:30 +0800 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:78.0) Gecko/20100101 Thunderbird/78.6.0 Precedence: bulk X-Mailing-List: linux-kselftest@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 In-Reply-To: <20260630-ecc_panic-v10-5-c6ed5b62eea2@debian.org> Content-Type: text/plain; charset="utf-8" Content-Language: en-US Content-Transfer-Encoding: 7bit X-ClientProxiedBy: kwepems200002.china.huawei.com (7.221.188.68) To kwepemq500010.china.huawei.com (7.202.194.235) On 2026/6/30 20:46, Breno Leitao wrote: > Add documentation for the new vm.panic_on_unrecoverable_memory_failure > sysctl, describing which failures trigger a panic (kernel-owned pages > the handler cannot recover) and which are intentionally left out > (transient allocator races and unclassified pages). > > Signed-off-by: Breno Leitao Acked-by: Miaohe Lin Thanks. .