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From: Naoya Horiguchi To: Jiaqi Yan Cc: mike.kravetz@oracle.com, naoya.horiguchi@nec.com, songmuchun@bytedance.com, shy828301@gmail.com, linmiaohe@huawei.com, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, duenwen@google.com, axelrasmussen@google.com, jthoughton@google.com Subject: Re: [PATCH v2 2/4] mm/hwpoison: check if a subpage of a hugetlb folio is raw HWPOISON Message-ID: <20230707010627.GC72816@ik1-406-35019.vs.sakura.ne.jp> References: <20230623164015.3431990-1-jiaqiyan@google.com> <20230623164015.3431990-3-jiaqiyan@google.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20230623164015.3431990-3-jiaqiyan@google.com> X-Migadu-Flow: FLOW_OUT X-Rspamd-Queue-Id: 7526E1A0005 X-Rspam-User: X-Rspamd-Server: rspam05 X-Stat-Signature: uptcuixqjf9h168zd3cznnskniokiw1d X-HE-Tag: 1688692002-252522 X-HE-Meta: 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 SgL8846w C4Yq3U/OaikAZLlsAgSxfCl6NNDNWS2xuP+zB9fQMrKKCJiePMypHTvIhCcaLLdSMCr1awqsb0LuZu76QKLg5Yinan/RyP1IAhaXP 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: On Fri, Jun 23, 2023 at 04:40:13PM +0000, Jiaqi Yan wrote: > Adds the functionality to tell if a subpage of a hugetlb folio is a > raw HWPOISON page. This functionality relies on RawHwpUnreliable to > be not set; otherwise hugepage's HWPOISON list becomes meaningless. > > Exports this functionality to be immediately used in the read operation > for hugetlbfs. > > Signed-off-by: Jiaqi Yan Looks good to me, thank you. Acked-by: Naoya Horiguchi