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Mon, 17 Apr 2023 06:11:08 GMT Received: from [10.216.36.54] (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.986.42; Sun, 16 Apr 2023 23:11:04 -0700 Message-ID: Date: Mon, 17 Apr 2023 11:41:00 +0530 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:91.0) Gecko/20100101 Thunderbird/91.9.1 Subject: Re: [PATCH V7 0/2] mm: shmem: support POSIX_FADV_[WILL|DONT]NEED for shmem files Content-Language: en-US To: Frank van der Linden CC: , , , , , , , , , References: <0853b4b0-770f-f742-95bc-eb74a1859138@quicinc.com> From: Charan Teja Kalla In-Reply-To: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: cF2e-jBVb6DNIvzZe6tIhl1wtVm5d3xI X-Proofpoint-GUID: cF2e-jBVb6DNIvzZe6tIhl1wtVm5d3xI X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.942,Hydra:6.0.573,FMLib:17.11.170.22 definitions=2023-04-17_02,2023-04-14_01,2023-02-09_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 adultscore=0 clxscore=1015 lowpriorityscore=0 impostorscore=0 mlxlogscore=563 mlxscore=0 phishscore=0 priorityscore=1501 spamscore=0 suspectscore=0 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2303200000 definitions=main-2304170056 X-Rspamd-Queue-Id: A9A8618001D X-Stat-Signature: k9oftjsjqz3wew63bxnqt5dofjyb6byr X-Rspam-User: X-Rspamd-Server: rspam08 X-HE-Tag: 1681711876-36152 X-HE-Meta: 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 DlV+u55+ 3gJeUIWebjQIVvVeoUxgDVbXUJS1tKSYgqVw4yXEVpHvW1yTF0+ul8pprU2WR/cZ7uM6+PqgsBiaFyxsuIhSo6/2tGsC6794E1XlLsXYRdpNJWHFzi6045czD+GEwGXpN0y4oce60G65lHZcZ5ofseJCJSQVvMWX5mIydZ00BR1jLDYsE4/EhKig2uNb72+ls7YKQBzW0X1tXkIsazCkxrcmAbArI856MXg5yH+Bk7o2OQ9+MSJoWGqc6SIKn/gIDrmj7RSg43agVYmQ= X-Bogosity: Ham, tests=bogofilter, spamicity=0.005562, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 4/15/2023 3:32 AM, Frank van der Linden wrote: > However, that can > be addressed later, my comments weren't intended to raise an objection > - merely that there is a chance here to address this usecase. But that > shouldn't block anything. It's something to keep in mind, though. > Noted. Thanks!! > I'll do some experiments to see what the best solution is here Sure. We can work and add the support for mapped pages too which will go on top of these patches. Thanks, Charan