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Shutemov" , SeongJae Park , linux-kernel@vger.kernel.org, linux-mm@kvack.org, damon@lists.linux.dev Subject: Re: [RESEND PATCH v1 3/5] mm: Fix failure to unmap pte on highmem systems Date: Thu, 11 May 2023 11:01:33 -0400 X-Mailer: MailMate (1.14r5964) Message-ID: <2E10F2A8-D954-451D-9CA7-042E55394FF7@nvidia.com> In-Reply-To: <20230511132113.80196-4-ryan.roberts@arm.com> References: <20230511132113.80196-1-ryan.roberts@arm.com> <20230511132113.80196-4-ryan.roberts@arm.com> Content-Type: multipart/signed; boundary="=_MailMate_C184A589-30EE-40FC-B337-3E77EE76A2DB_="; micalg=pgp-sha512; protocol="application/pgp-signature" X-ClientProxiedBy: MN2PR15CA0005.namprd15.prod.outlook.com (2603:10b6:208:1b4::18) To DS7PR12MB5744.namprd12.prod.outlook.com (2603:10b6:8:73::18) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DS7PR12MB5744:EE_|SA1PR12MB5638:EE_ X-MS-Office365-Filtering-Correlation-Id: 314a0f29-6337-4a7a-a7f8-08db52309c71 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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This > only affects highmem systems since unmapping a pte is a noop on > non-highmem systems. > > Fixes: 16ce101db85d ("mm/memory.c: fix race when faulting a device private page") > Signed-off-by: Ryan Roberts > --- > mm/memory.c | 6 ++---- > 1 file changed, 2 insertions(+), 4 deletions(-) LGTM. Reviewed-by: Zi Yan -- Best Regards, Yan, Zi --=_MailMate_C184A589-30EE-40FC-B337-3E77EE76A2DB_= Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename=signature.asc Content-Type: application/pgp-signature; name=signature.asc -----BEGIN PGP SIGNATURE----- iQJDBAEBCgAtFiEE6rR4j8RuQ2XmaZol4n+egRQHKFQFAmRdA00PHHppeUBudmlk aWEuY29tAAoJEOJ/noEUByhUVrgP/2z30A6J/GERdz8FtEp4mnwSF7udKoBM5nwA 0VJ6aDhJf32/XcZujHW4FOtcDPMpRKjGgb38Gw7EF73zJy7Vl7USeGadv1dtwDog 4y71m8QWv59UwfnxUrp/tptJLcLFFqs5pPmRZCzEKCroN7d+ixLrulxCpROehHEi 3Q2RPBvnjgcEgRa+/Ua3GMF/BXLDABo/aloKrfcKCuRwl3urVdPFaWHKs9a+IQ0o 4s7BwYTDAIMTFidQVQLIZJ5e5i9Vwljkp6dXzdYk883RL/8bGBmAACn/3Ukk986h FPWtnsQHvvOKkz20ZLGwjib3UXkp5Vk31UCt/PpBmGNcToKXAklUJPqZXS7YlD/M mo+NvgiEcLwMHeeM96O4bl8UdZJhAbL4ytnVD9eqQCzzJrlcecfwGO/WCHXcDy5A Wf2oXJiXKlzhAN4LlxX/sabWSv+EyR+bdba5n2QiKHsV9uCIQC87qc/uDEKEgUlB QA/xYwbkzNOIL0aexZ7RGJCXz5DA+IsVMJq7Cla1OicSrmOIJTMEOJQ2PI439vzi n05+IqVw2dM2UIh/9IMwnd26zisQGthGp4nxdfGzSQsa6+LZSVhphdjiUfSk/+zg ESM+ngNRxVjemYzO+rMshbCsZOHLHLAKbpLeolfTCe+XoGxGY+wlwtwMUdm1+uLD ZR61gEMU =nuDq -----END PGP SIGNATURE----- --=_MailMate_C184A589-30EE-40FC-B337-3E77EE76A2DB_=--