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Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1p5VBb-00DR1p-Ag; Wed, 14 Dec 2022 17:04:51 +0000 Date: Wed, 14 Dec 2022 17:04:51 +0000 From: Matthew Wilcox To: mawupeng Cc: naoya.horiguchi@nec.com, catalin.marinas@arm.com, gregkh@linuxfoundation.org, akpm@linux-foundation.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org Subject: Re: [Qestion] UCE on pud-sized hugepage lead to kernel panic on lts5.10 Message-ID: References: <2b4d03bc-2b6e-45b0-655a-58b66672187e@huawei.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <2b4d03bc-2b6e-45b0-655a-58b66672187e@huawei.com> X-Rspam-User: X-Rspamd-Queue-Id: 3C391C0010 X-Rspamd-Server: rspam01 X-Stat-Signature: 4p1dk4r7pxgan51iwshkoickn1qyxdjw X-HE-Tag: 1671037499-962292 X-HE-Meta: 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.001033, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Dec 14, 2022 at 09:33:10AM +0800, mawupeng wrote: > On current arm64 stable 5.10(v5.10.158). If a UCE happnes pud-sized What's a UCE?