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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 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: 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