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Thu, 07 Jan 2021 19:10:36 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 107IxSkM159542; Thu, 7 Jan 2021 19:08:36 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3030.oracle.com with ESMTP id 35w3g36mj2-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 07 Jan 2021 19:08:36 +0000 Received: from abhmp0015.oracle.com (abhmp0015.oracle.com [141.146.116.21]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 107J8ZXM028620; Thu, 7 Jan 2021 19:08:35 GMT Received: from [192.168.2.112] (/50.38.35.18) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 07 Jan 2021 19:08:34 +0000 Subject: Re: [PATCH] mm/hugetlb: Fix potential missing huge page size info To: Miaohe Lin , akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20210107123449.38481-1-linmiaohe@huawei.com> From: Mike Kravetz Message-ID: <240018cd-d0b7-6cc9-e026-6b90729254d2@oracle.com> Date: Thu, 7 Jan 2021 11:08:33 -0800 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.1.1 MIME-Version: 1.0 In-Reply-To: <20210107123449.38481-1-linmiaohe@huawei.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9857 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 mlxscore=0 malwarescore=0 adultscore=0 phishscore=0 spamscore=0 mlxlogscore=999 suspectscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101070110 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9857 signatures=668683 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 suspectscore=0 mlxscore=0 bulkscore=0 priorityscore=1501 impostorscore=0 clxscore=1011 lowpriorityscore=0 mlxlogscore=999 malwarescore=0 spamscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2009150000 definitions=main-2101070111 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 1/7/21 4:34 AM, Miaohe Lin wrote: > The huge page size is encoded for VM_FAULT_HWPOISON errors only. So if we > return VM_FAULT_HWPOISON, huge page size would just be ignored. > > Fixes: aa50d3a7aa81 ("Encode huge page size for VM_FAULT_HWPOISON errors") > Signed-off-by: Miaohe Lin > Cc: > --- > mm/hugetlb.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) Thanks! Reviewed-by: Mike Kravetz -- Mike Kravetz