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Mon, 10 Aug 2020 21:07:42 +0000 Received: from pps.filterd (userp3020.oracle.com [127.0.0.1]) by userp3020.oracle.com (8.16.0.42/8.16.0.42) with SMTP id 07AL3QtP120754; Mon, 10 Aug 2020 21:07:41 GMT Received: from aserv0121.oracle.com (aserv0121.oracle.com [141.146.126.235]) by userp3020.oracle.com with ESMTP id 32u3h0beg4-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 10 Aug 2020 21:07:41 +0000 Received: from abhmp0006.oracle.com (abhmp0006.oracle.com [141.146.116.12]) by aserv0121.oracle.com (8.14.4/8.13.8) with ESMTP id 07AL7eS2002117; Mon, 10 Aug 2020 21:07:40 GMT Received: from [192.168.2.112] (/50.38.35.18) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Mon, 10 Aug 2020 21:07:39 +0000 Subject: Re: [PATCH 03/10] mm/hugetlb: use list_splice to merge two list at once To: Wei Yang , akpm@linux-foundation.org Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org References: <20200807091251.12129-1-richard.weiyang@linux.alibaba.com> <20200807091251.12129-4-richard.weiyang@linux.alibaba.com> From: Mike Kravetz Message-ID: <54d65c15-d366-cac2-b359-78c81d8d570b@oracle.com> Date: Mon, 10 Aug 2020 14:07:38 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200807091251.12129-4-richard.weiyang@linux.alibaba.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=9709 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 spamscore=0 suspectscore=0 phishscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008100145 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9709 signatures=668679 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 phishscore=0 clxscore=1015 suspectscore=0 mlxlogscore=999 priorityscore=1501 adultscore=0 impostorscore=0 spamscore=0 bulkscore=0 mlxscore=0 lowpriorityscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2008100145 X-Rspamd-Queue-Id: 86F18100EC669 X-Spamd-Result: default: False [0.00 / 100.00] X-Rspamd-Server: rspam04 X-Bogosity: Ham, tests=bogofilter, spamicity=0.002608, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 8/7/20 2:12 AM, Wei Yang wrote: > Instead of add allocated file_region one by one to region_cache, we > could use list_splice to merge two list at once. > > Also we know the number of entries in the list, increase the number > directly. > > Signed-off-by: Wei Yang Thanks! Reviewed-by: Mike Kravetz -- Mike Kravetz