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=-11.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham 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 630CDC433DB for ; Fri, 15 Jan 2021 12:51:14 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id D65F6223E0 for ; Fri, 15 Jan 2021 12:51:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D65F6223E0 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=bytedance.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 071888D015B; Fri, 15 Jan 2021 07:51:13 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 0228B6B0134; Fri, 15 Jan 2021 07:51:12 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id E2B5C8D015B; Fri, 15 Jan 2021 07:51:12 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0206.hostedemail.com [216.40.44.206]) by kanga.kvack.org (Postfix) with ESMTP id C9B2C6B0131 for ; Fri, 15 Jan 2021 07:51:12 -0500 (EST) Received: from smtpin04.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id 8FFA23635 for ; Fri, 15 Jan 2021 12:51:12 +0000 (UTC) X-FDA: 77707994784.04.rat34_4d0af8c2752f Received: from filter.hostedemail.com (10.5.16.251.rfc1918.com [10.5.16.251]) by smtpin04.hostedemail.com (Postfix) with ESMTP id 6FD2480019BE for ; Fri, 15 Jan 2021 12:51:12 +0000 (UTC) X-HE-Tag: rat34_4d0af8c2752f X-Filterd-Recvd-Size: 4360 Received: from mail-pj1-f41.google.com (mail-pj1-f41.google.com [209.85.216.41]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Fri, 15 Jan 2021 12:51:11 +0000 (UTC) Received: by mail-pj1-f41.google.com with SMTP id u4so5132258pjn.4 for ; Fri, 15 Jan 2021 04:51:11 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bytedance-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=IPCzXvOwrnZkqLvyZVOoqWzerct2EqEDkQMCnuc7Cu8=; b=0x7cx/5dC8pxmoxDsnIUUf+gNFBkMpJdkaTqyfYvreAwfVxnXYgd9JdJzP/sHvAq1L rYlCgzbbOUMCfL56+z/cA8dR6hPsj9dNJW4hhQPdRZ4Uj8Mg8pFQx9K1wL4xNzcyDReD ziXP3lMegKhcoawHbff5j7bg/HKBeKSy85x2kDwxrZ7s7tl3Z/srzjCv207p2Q5F/+k4 0cVoCzVXdkcJzy1BO5cSPv4NqEwrc4qUwWyOvwTQG83m1cthhwt8FfNgghSCEz38gFhp w+vPkJ9uD8UKuhCyLliR1FADPvZqXe+SCZ+xSW/JrL2dZcR6H0BNr8SeCk9SfN1d7YV8 QknQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=IPCzXvOwrnZkqLvyZVOoqWzerct2EqEDkQMCnuc7Cu8=; b=QZrul2U+fY6qtZJzvJGVFnOP+4JpLrE9ecluxF/KeIPkQAdvrCoQ+PpjAsVUniBjNB sS0Kf4RmRuhoVcSFWp63wYr8VXgyLdmm+t8Zmxb8U/lMjeZFAplc8vEb0EJbb7bdxiW6 p9GpD8NA44sq8NKELl1QzUdv3SkWT0d6FLyDGIGtt6SKbQsR1hT+p1mJdzOB1Q8SiCwg i//Y2zAf4jZqsLnCCRiJ1AeA3APTF+w0hfbj5MFmGwY6n/VjnCFofnFKENlXHgPo+hRV 4ZBoMoQwVzGPmNy0rkYOxkbX9O4NaAYho76KPdO0A5dhIYfKoAJjOlISjISliDkwPq67 owZg== X-Gm-Message-State: AOAM531kqsRtlgIaVwg9sFIt5s0W0/8tTamKY0do0kxgb0diZDCBiHr4 i2Fdd/qFTpCa9Q12y0iwF7RiDw== X-Google-Smtp-Source: ABdhPJy9y+rHRzFwuqeeRQZ7KcDvmHYHqAhEJk4exk+lxWw0lhRz9aav80LU7wYxEk8u9XgAVwRCCg== X-Received: by 2002:a17:902:8c89:b029:dc:1e79:e74b with SMTP id t9-20020a1709028c89b02900dc1e79e74bmr12378937plo.58.1610715070775; Fri, 15 Jan 2021 04:51:10 -0800 (PST) Received: from localhost.localdomain ([139.177.225.247]) by smtp.gmail.com with ESMTPSA id c5sm8193600pjo.4.2021.01.15.04.51.06 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 15 Jan 2021 04:51:09 -0800 (PST) From: Muchun Song To: mike.kravetz@oracle.com, akpm@linux-foundation.org Cc: n-horiguchi@ah.jp.nec.com, ak@linux.intel.com, mhocko@suse.cz, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Muchun Song Subject: [PATCH v6 0/5] Fix some bugs about HugeTLB code Date: Fri, 15 Jan 2021 20:49:37 +0800 Message-Id: <20210115124942.46403-1-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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: This patch series aims to fix some bugs and add some improvements. Changelog since v5 -> v6: - Simplify patch #3 and update commit changelog. Changelog since v4 -> v5: - Squash "mm: hugetlb: retry dissolve page when hitting race" to "mm: hugetlb: fix a race between freeing and dissolving the page" Changelog since v3 -> v4: - Update commit log of patch #1. - Drop "mm: hugetlb: add return -EAGAIN for dissolve_free_huge_page" - Add "mm: hugetlb: retry dissolve page when hitting race" Changelog since v2 -> v3: - Update commit log. - Using head[3].private to indicate the page is freed in patch #3. Changelog since v1 -> v2: - Export set_page_huge_active() in patch #2 to fix. - Using head[3].mapping to indicate the page is freed in patch #3. - Flush @free_hpage_work in patch #4. Muchun Song (5): mm: migrate: do not migrate HugeTLB page whose refcount is one mm: hugetlbfs: fix cannot migrate the fallocated HugeTLB page mm: hugetlb: fix a race between freeing and dissolving the page mm: hugetlb: fix a race between isolating and freeing page mm: hugetlb: remove VM_BUG_ON_PAGE from page_huge_active fs/hugetlbfs/inode.c | 3 ++- include/linux/hugetlb.h | 2 ++ mm/hugetlb.c | 48 +++++++++++++++++++++++++++++++++++++++++++= ----- mm/migrate.c | 6 ++++++ 4 files changed, 53 insertions(+), 6 deletions(-) --=20 2.11.0