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 X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, UNPARSEABLE_RELAY,UPPERCASE_50_75,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id AD11DC433B4 for ; Thu, 15 Apr 2021 11:19:01 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id E5D40611AB for ; Thu, 15 Apr 2021 11:19:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E5D40611AB Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=e16-tech.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 72FB56B0036; Thu, 15 Apr 2021 07:19:00 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 705D56B006C; Thu, 15 Apr 2021 07:19:00 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 5F7796B0070; Thu, 15 Apr 2021 07:19:00 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0128.hostedemail.com [216.40.44.128]) by kanga.kvack.org (Postfix) with ESMTP id 440A26B0036 for ; Thu, 15 Apr 2021 07:19:00 -0400 (EDT) Received: from smtpin18.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay05.hostedemail.com (Postfix) with ESMTP id EF7261801A8A6 for ; Thu, 15 Apr 2021 11:18:59 +0000 (UTC) X-FDA: 78034354398.18.D099DC4 Received: from out20-62.mail.aliyun.com (out20-62.mail.aliyun.com [115.124.20.62]) by imf22.hostedemail.com (Postfix) with ESMTP id 4C0CFC0001FA for ; Thu, 15 Apr 2021 11:18:53 +0000 (UTC) X-Alimail-AntiSpam:AC=CONTINUE;BC=0.2115496|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_news_journal|0.141908-0.00164293-0.856449;FP=0|0|0|0|0|-1|-1|-1;HT=ay29a033018047205;MF=wangyugui@e16-tech.com;NM=1;PH=DS;RN=3;RT=3;SR=0;TI=SMTPD_---.K-P0UVG_1618485534; Received: from 192.168.2.112(mailfrom:wangyugui@e16-tech.com fp:SMTPD_---.K-P0UVG_1618485534) by smtp.aliyun-inc.com(10.147.44.129); Thu, 15 Apr 2021 19:18:54 +0800 Date: Thu, 15 Apr 2021 19:18:55 +0800 From: Wang Yugui To: Yang Shi , Linux MM Subject: Re: kernel BUG at mm/huge_memory.c:2736(linux 5.10.29) Cc: wangyugui@e16-tech.com In-Reply-To: <20210413193015.77E7.409509F4@e16-tech.com> References: <20210413193015.77E7.409509F4@e16-tech.com> Message-Id: <20210415191854.4457.409509F4@e16-tech.com> MIME-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit X-Mailer: Becky! ver. 2.75.03 [en] X-Rspamd-Server: rspam01 X-Rspamd-Queue-Id: 4C0CFC0001FA X-Stat-Signature: sc8mckddd7ubebzopxym36h4z6wsjeoq Received-SPF: none (e16-tech.com>: No applicable sender policy available) receiver=imf22; identity=mailfrom; envelope-from=""; helo=out20-62.mail.aliyun.com; client-ip=115.124.20.62 X-HE-DKIM-Result: none/none X-HE-Tag: 1618485533-691657 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000002, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: Hi, This problem yet not happen when switched from CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y to CONFIG_TRANSPARENT_HUGEPAGE_MADVISE=y so it seems a CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS related problem. > $grep HUGE /boot/config-5.10.29-3.el7.x86_64 > CONFIG_CGROUP_HUGETLB=y > CONFIG_ARCH_WANT_GENERAL_HUGETLB=y > CONFIG_ARCH_ENABLE_HUGEPAGE_MIGRATION=y > CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE=y > CONFIG_HAVE_ARCH_TRANSPARENT_HUGEPAGE_PUD=y > CONFIG_HAVE_ARCH_HUGE_VMAP=y > CONFIG_ARCH_WANT_HUGE_PMD_SHARE=y > CONFIG_TRANSPARENT_HUGEPAGE=y > # CONFIG_TRANSPARENT_HUGEPAGE_MADVISE is not set > CONFIG_TRANSPARENT_HUGEPAGE_ALWAYS=y > CONFIG_HUGETLBFS=y > CONFIG_HUGETLB_PAGE=y Best Regards Wang Yugui (wangyugui@e16-tech.com) 2021/04/15