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[156.34.48.30]) by smtp.gmail.com with ESMTPSA id n7sm1705722qtp.93.2020.10.07.07.58.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 07 Oct 2020 07:58:16 -0700 (PDT) Received: from jgg by mlx with local (Exim 4.94) (envelope-from ) id 1kQAtT-000wnC-KC; Wed, 07 Oct 2020 11:58:15 -0300 Date: Wed, 7 Oct 2020 11:58:15 -0300 From: Jason Gunthorpe To: Tomasz Figa Cc: Daniel Vetter , Marek Szyprowski , DRI Development , LKML , Daniel Vetter , Andrew Morton , John Hubbard , =?utf-8?B?SsOpcsO0bWU=?= Glisse , Jan Kara , Dan Williams , Linux MM , Linux ARM , Pawel Osciak , Kyungmin Park , Inki Dae , Joonyoung Shim , Seung-Woo Kim , linux-samsung-soc , "open list:DMA BUFFER SHARING FRAMEWORK" , Oded Gabbay Subject: Re: [PATCH 2/2] mm/frame-vec: use FOLL_LONGTERM Message-ID: <20201007145815.GS5177@ziepe.ca> References: <725819e9-4f07-3f04-08f8-b6180406b339@samsung.com> <20201007124409.GN5177@ziepe.ca> <20201007130610.GP5177@ziepe.ca> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: 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 Wed, Oct 07, 2020 at 04:11:59PM +0200, Tomasz Figa wrote: > We also need to bring back the vma_open() that somehow disappeared > around 4.2, as Marek found. No Jason