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Intel Mac OS X 10.15; rv:102.0) Gecko/20100101 Thunderbird/102.10.0 Subject: Re: [PATCH v3 6/7] mm/gup: remove vmas parameter from pin_user_pages() To: Lorenzo Stoakes , linux-mm@kvack.org, linux-kernel@vger.kernel.org, Andrew Morton Cc: Matthew Wilcox , David Hildenbrand , Michael Ellerman , Nicholas Piggin , Christophe Leroy , Jason Gunthorpe , Leon Romanovsky , Christian Benvenuti , Nelson Escobar , Bernard Metzler , Mauro Carvalho Chehab , "Michael S . Tsirkin" , Jason Wang , Jens Axboe , Pavel Begunkov , Bjorn Topel , Magnus Karlsson , Maciej Fijalkowski , Jonathan Lemon , "David S . Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Alexei Starovoitov , Daniel Borkmann , Jesper Dangaard Brouer , John Fastabend , linuxppc-dev@lists.ozlabs.org, linux-rdma@vger.kernel.org, linux-media@vger.kernel.org, virtualization@lists.linux-foundation.org, kvm@vger.kernel.org, netdev@vger.kernel.org, io-uring@vger.kernel.org, bpf@vger.kernel.org References: Content-Language: en-US From: Dennis Dalessandro In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-ClientProxiedBy: MN2PR17CA0017.namprd17.prod.outlook.com (2603:10b6:208:15e::30) To DM6PR01MB4107.prod.exchangelabs.com (2603:10b6:5:22::24) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: DM6PR01MB4107:EE_|CH0PR01MB7154:EE_ X-MS-Office365-Filtering-Correlation-Id: cd3b6097-8821-4c13-a357-08db3f3b3910 X-MS-Exchange-AtpMessageProperties: SA X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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 xoV2GNtV 49KZ775l1l7fYXnAuf56n/tYjGtIilZSooftOYEDPUIX9XShumbFYm2OAYqgTaidCvbaVAdjW43u0rbFQHjsPfbiyVvZ0PtmtCSZcThrWvVBmtkF9bTP8d8d/SjSS1FmIomh0xtaC6duSsiD8fRtS2E2WGS3csow7wFMkodZptwhalwiH7x7+hMUv1zMmaOLo04gqSXMmcHWQOWsPyEsJMRMOVOrHU02HuKA1zIBItQvfHKPbuXRA0BK739HxjMs2ZRwsxruXAYY7ogHrxbFzbyLwBYCukH9NWXVc+8HrHvko28Pf7NXIQsnJVzLR+HyU3qq0x5nA9AZRn17qqN0qlKG+MY7SIXZMyLzCDTutHHomx58mT0H036MeU6xwGOzJU1gk9HzDg/3ck9W/eaF39CuKFBwZXJNQtV1FCoY/RJHzH83SKh93t0X7rlLlzFfPc3bj 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 4/15/23 8:09 AM, Lorenzo Stoakes wrote: > After the introduction of FOLL_SAME_FILE we no longer require vmas for any > invocation of pin_user_pages(), so eliminate this parameter from the > function and all callers. > > This clears the way to removing the vmas parameter from GUP altogether. > > Signed-off-by: Lorenzo Stoakes > --- > arch/powerpc/mm/book3s64/iommu_api.c | 2 +- > drivers/infiniband/hw/qib/qib_user_pages.c | 2 +- > drivers/infiniband/hw/usnic/usnic_uiom.c | 2 +- > drivers/infiniband/sw/siw/siw_mem.c | 2 +- > drivers/media/v4l2-core/videobuf-dma-sg.c | 2 +- > drivers/vdpa/vdpa_user/vduse_dev.c | 2 +- > drivers/vhost/vdpa.c | 2 +- > include/linux/mm.h | 3 +-- > io_uring/rsrc.c | 2 +- > mm/gup.c | 9 +++------ > mm/gup_test.c | 9 ++++----- > net/xdp/xdp_umem.c | 2 +- > 12 files changed, 17 insertions(+), 22 deletions(-) > > diff --git a/drivers/infiniband/hw/qib/qib_user_pages.c b/drivers/infiniband/hw/qib/qib_user_pages.c > index f693bc753b6b..1bb7507325bc 100644 > --- a/drivers/infiniband/hw/qib/qib_user_pages.c > +++ b/drivers/infiniband/hw/qib/qib_user_pages.c > @@ -111,7 +111,7 @@ int qib_get_user_pages(unsigned long start_page, size_t num_pages, > ret = pin_user_pages(start_page + got * PAGE_SIZE, > num_pages - got, > FOLL_LONGTERM | FOLL_WRITE, > - p + got, NULL); > + p + got); > if (ret < 0) { > mmap_read_unlock(current->mm); > goto bail_release; For Qib... Acked-by: Dennis Dalessandro