From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 703E8C4332F for ; Wed, 14 Dec 2022 17:05:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229974AbiLNRFH (ORCPT ); Wed, 14 Dec 2022 12:05:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237443AbiLNRFA (ORCPT ); Wed, 14 Dec 2022 12:05:00 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7C41C27FEC for ; Wed, 14 Dec 2022 09:04:59 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=In-Reply-To:Content-Type:MIME-Version: References:Message-ID:Subject:Cc:To:From:Date:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=eMg0PQc/CptyCiVyI2QqrF+gy5xU5hvKC0+ULtCpJI4=; b=qtB2VM6lWBmXcMuWlZvelv2nSx 8TuD0G6LPQcOX6p3eKtVcFSjzhOBLUVlYlMGW9HkEJKdgy5jUUXTJTatQLaCRQJgkKNtdjxLT+OVr 79DD/H4BsbNHDbVy9xWUuB5VO3CZxtT6DVfsuhG0+yD77/8SrXuRNqnbLvvnDh38H2i8Ynk9Y962n ovt5PtxUA93cad9GtUuCgrj5Ol86nrJmKjbLFJ8m1/uIavfjMUGkxQap7GhHZ5IQ0ZV5xQs9FnBrH G18TfdH0ltGymMBxprJr7dlVN18YXb03cG/EWK/sSDla5CYFng9h/hVizFeM/0VSLlNXpIufvt150 AQ+gYNGw==; 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> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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?