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=-12.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 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 587B6C433DB for ; Thu, 7 Jan 2021 09:32:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1189A2333C for ; Thu, 7 Jan 2021 09:32:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727460AbhAGJcX (ORCPT ); Thu, 7 Jan 2021 04:32:23 -0500 Received: from us-smtp-delivery-124.mimecast.com ([216.205.24.124]:30163 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726948AbhAGJcU (ORCPT ); Thu, 7 Jan 2021 04:32:20 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1610011854; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=40x5DFNSq8yzK9zk7bYZVYunBOu/SmJ58y8StrIX3Nk=; b=bVQcF5oCHpagf8QXFu2u8Ph8QNzdmymQUMkZbG5rT1Y0+/S245DwIGr4r1RZUH53I0MPgZ MXndCAvopOLQ+3guaR0UvpzE29s6GjnDu/7ICVkOzeqp86fhj/P4ePEM8DWYhTj3lM19hN HPnzNM8qvvng0i4j1548qLZ0rgLriME= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-19-4hITyjgKM-uHyW8tK1XIsw-1; Thu, 07 Jan 2021 04:30:52 -0500 X-MC-Unique: 4hITyjgKM-uHyW8tK1XIsw-1 Received: from smtp.corp.redhat.com (int-mx06.intmail.prod.int.phx2.redhat.com [10.5.11.16]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2D887180A08A; Thu, 7 Jan 2021 09:30:51 +0000 (UTC) Received: from [10.36.114.161] (ovpn-114-161.ams2.redhat.com [10.36.114.161]) by smtp.corp.redhat.com (Postfix) with ESMTP id 4B1D171CB3; Thu, 7 Jan 2021 09:30:49 +0000 (UTC) Subject: Re: [PATCH v2 0/6] Fix some bugs about HugeTLB code To: Muchun Song , 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 References: <20210106084739.63318-1-songmuchun@bytedance.com> From: David Hildenbrand Organization: Red Hat GmbH Message-ID: <7b44eddc-cbae-92b6-5ac7-765cad2a6326@redhat.com> Date: Thu, 7 Jan 2021 10:30:48 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.5.0 MIME-Version: 1.0 In-Reply-To: <20210106084739.63318-1-songmuchun@bytedance.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 06.01.21 09:47, Muchun Song wrote: > This patch series aims to fix some bugs and add some improvements. > > 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 | 69 +++++++++++++++++++++++++++++++++++++++++++------ > mm/migrate.c | 6 +++++ > 4 files changed, 71 insertions(+), 9 deletions(-) > Repeating my question regarding ccing stable on selected fixes. -- Thanks, David / dhildenb