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=-11.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,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 4EE81C433DB for ; Sun, 10 Jan 2021 12:42:27 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 18EBD2333E for ; Sun, 10 Jan 2021 12:42:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726398AbhAJMmG (ORCPT ); Sun, 10 Jan 2021 07:42:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46504 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726069AbhAJMmF (ORCPT ); Sun, 10 Jan 2021 07:42:05 -0500 Received: from mail-pg1-x52a.google.com (mail-pg1-x52a.google.com [IPv6:2607:f8b0:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DBD2BC061786 for ; Sun, 10 Jan 2021 04:41:24 -0800 (PST) Received: by mail-pg1-x52a.google.com with SMTP id g15so10779207pgu.9 for ; Sun, 10 Jan 2021 04:41:24 -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=yGxCcrxh54+vPfh3fs1S1PZ/SzgrrSbJ2Q0Nc+3EuUs=; b=IwVBgHapflIcDSeNj0zPo8Tm7lwZLA+1MxcCqdhLHnwIPqvTQPW89aBzjSn39DUsW3 JiugI3PTNVmVygbTSordkL5/6NsQN0iIWqvpbUSsJ18pwLBeP83GTqwF5cUq6bgImBC4 N7yTJAGXF7l1DYxRyj6AEyVylPa/aE7pY40J9pp/WzyaVDHiQKChvzmv226Vm9OIzJVD zm1E/2hOKFb2LCJL3OiYms6NiO0RQ/luhF4iy9Pzs8AWcJb8td90eVnavX7bo4YoHyrH vfQnHpK8EMcPsX24pNwAbLgxM3w5Fh7IDfDw1s4DTMHgurGZmgT0xZWo/P6+EA1j83rh HlmA== 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=yGxCcrxh54+vPfh3fs1S1PZ/SzgrrSbJ2Q0Nc+3EuUs=; b=nJiT4esi0ATXAKjbdPx4Iv33WuZ2j9pXXUn5WPfybNzk65shzxOdgOBtUcqxadRQ6p Kus0JNrCciyriexzCkEYHOehOwW/dWpZQDwMe/47iajTcf4ali+EXre9XUmFYlaPtOnY Jc1CTlKtOazvRR4xpvJ2X3aaEzei7JyKC5Y0t9mkdxIGrBqqFYpLobA0MqcsrNaZ3qW9 XYRS1/E5+v2FfHL90giAzBoqTbaXbTQiPX+flAgE6Lk+jhsSWd5nhPYNQz87adKVdxoY numWVjuFYjHeckVylmQhlJXsoFnR5gFk+FCg3isjpNuO77busI/eL0VkYJjHpQh4t9T6 f6qw== X-Gm-Message-State: AOAM530bCsJycnL5b826iQAhGLbvuay1Mc2T70c/NR7Amp3JEtTaFiFc 4p9jGvfdJIuzoNai9N/4z33fOw== X-Google-Smtp-Source: ABdhPJzJjWQkqBYxHgJ/to1raXIAPjeBoRyD7EwUD82uVDv3de0Gfek6s7XWrA0pqe6vgvcmfVHuCQ== X-Received: by 2002:a62:384b:0:b029:19d:a5c6:d76 with SMTP id f72-20020a62384b0000b029019da5c60d76mr12391113pfa.16.1610282484286; Sun, 10 Jan 2021 04:41:24 -0800 (PST) Received: from localhost.localdomain ([139.177.225.247]) by smtp.gmail.com with ESMTPSA id p9sm16176960pfq.136.2021.01.10.04.41.20 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Sun, 10 Jan 2021 04:41:23 -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 v3 0/6] Fix some bugs about HugeTLB code Date: Sun, 10 Jan 2021 20:40:11 +0800 Message-Id: <20210110124017.86750-1-songmuchun@bytedance.com> X-Mailer: git-send-email 2.21.0 (Apple Git-122) MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch series aims to fix some bugs and add some improvements. 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 (6): 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: add return -EAGAIN for dissolve_free_huge_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 | 59 +++++++++++++++++++++++++++++++++++++++++-------- mm/migrate.c | 6 +++++ 4 files changed, 60 insertions(+), 10 deletions(-) -- 2.11.0