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X-CSE-ConnectionGUID: 0ex4Cf7vThSQPQA9rmJwZA== X-CSE-MsgGUID: N2RsnLESTqyqIJK9fbcA2g== X-IronPort-AV: E=McAfee;i="6800,10657,11602"; a="86879819" X-IronPort-AV: E=Sophos;i="6.19,276,1754982000"; d="scan'208";a="86879819" Received: from orviesa010.jf.intel.com ([10.64.159.150]) by orvoesa101.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2025 06:43:53 -0800 X-CSE-ConnectionGUID: sg2xt+/qTXexAbr7EYwjtA== X-CSE-MsgGUID: S+XBoW6qRC2gVayyp3RQag== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.19,276,1754982000"; d="scan'208";a="186172524" Received: from jmaxwel1-mobl.amr.corp.intel.com (HELO [10.125.110.129]) ([10.125.110.129]) by orviesa010-auth.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Nov 2025 06:43:52 -0800 Message-ID: <8c6c5d0a-c5e1-4c43-b824-2e3aa6641d48@intel.com> Date: Mon, 3 Nov 2025 06:43:51 -0800 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 1/2] x86/mm: support memory-failure on 32-bits with SPARSEMEM To: Xie Yuanbin , tglx@linutronix.de, david@redhat.com, mingo@redhat.com, bp@alien8.de, dave.hansen@linux.intel.com, hpa@zytor.com, akpm@linux-foundation.org, lorenzo.stoakes@oracle.com, Liam.Howlett@oracle.com, vbabka@suse.cz, rppt@kernel.org, surenb@google.com, mhocko@suse.com, linmiaohe@huawei.com, nao.horiguchi@gmail.com, luto@kernel.org, peterz@infradead.org, tony.luck@intel.com Cc: x86@kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-edac@vger.kernel.org, will@kernel.org, liaohua4@huawei.com, lilinjie8@huawei.com References: <5ace86cc-0b2d-4306-8bc1-dfc34cccef1a@redhat.com> <20251103132358.79766-1-xieyuanbin1@huawei.com> From: Dave Hansen Content-Language: en-US Autocrypt: addr=dave.hansen@intel.com; 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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspam-User: X-Rspamd-Server: rspam11 X-Rspamd-Queue-Id: EDA7B180013 X-Stat-Signature: jsz4wbx57bih5afj9rpiniz35nh8dpnh X-HE-Tag: 1762181033-88966 X-HE-Meta: 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 zKQs0pCM TVvVT920cZtO6pY1cy6QU5iqpw8/ItxF04tXBnNEGJ4Ny51XOV5spyuaQKwtb4/M9AwC9ue6cj+UqWrSxa0KHTMuYd2Hp9VMwlQZXYpANzgvunULU92+cMrXk002rmGoOa3wGW+64eWX2oYsOaCCXTM97g2A4WGMMPLVX1T7o/3bVIdwd7AqpijF9iZQOXTdL3AXdhIHiN8909TNn/PevDvSlqUeAWX4AUU14+1eQNuVPSSmHSRSP7dAVDnk0FnzoHlCV4LzEkVhyCDxBnjjb17cK4g== X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 11/3/25 05:23, Xie Yuanbin wrote: > I will update the V2 patch to describe it. Please also include the logic behind why you want this change, including a description of the hardware on which you want to use this change.