Message ID | 20190807013340.9706-13-jhubbard@nvidia.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id u69sm111740800pgu.77.2019.08.06.18.34.02 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 06 Aug 2019 18:34:03 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton <akpm@linux-foundation.org> Cc: Christoph Hellwig <hch@infradead.org>, Dan Williams <dan.j.williams@intel.com>, Dave Chinner <david@fromorbit.com>, Dave Hansen <dave.hansen@linux.intel.com>, Ira Weiny <ira.weiny@intel.com>, Jan Kara <jack@suse.cz>, Jason Gunthorpe <jgg@ziepe.ca>, =?utf-8?b?SsOpcsO0?= =?utf-8?b?bWUgR2xpc3Nl?= <jglisse@redhat.com>, LKML <linux-kernel@vger.kernel.org>, amd-gfx@lists.freedesktop.org, ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, devel@lists.orangefs.org, dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, kvm@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-block@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fbdev@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-media@vger.kernel.org, linux-mm@kvack.org, linux-nfs@vger.kernel.org, linux-rdma@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-xfs@vger.kernel.org, netdev@vger.kernel.org, rds-devel@oss.oracle.com, sparclinux@vger.kernel.org, x86@kernel.org, xen-devel@lists.xenproject.org, John Hubbard <jhubbard@nvidia.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Frank Haverkamp <haver@linux.vnet.ibm.com>, "Guilherme G . Piccoli" <gpiccoli@linux.vnet.ibm.com>, Arnd Bergmann <arnd@arndb.de> Subject: [PATCH v3 12/41] genwqe: convert put_page() to put_user_page*() Date: Tue, 6 Aug 2019 18:33:11 -0700 Message-Id: <20190807013340.9706-13-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190807013340.9706-1-jhubbard@nvidia.com> References: <20190807013340.9706-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Content-Transfer-Encoding: 8bit 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: <linux-mm.kvack.org> X-Virus-Scanned: ClamAV using ClamSMTP |
Series |
put_user_pages(): miscellaneous call sites
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diff --git a/drivers/misc/genwqe/card_utils.c b/drivers/misc/genwqe/card_utils.c index 2e1c4d2905e8..2a888f31d2c5 100644 --- a/drivers/misc/genwqe/card_utils.c +++ b/drivers/misc/genwqe/card_utils.c @@ -517,24 +517,13 @@ int genwqe_free_sync_sgl(struct genwqe_dev *cd, struct genwqe_sgl *sgl) /** * genwqe_free_user_pages() - Give pinned pages back * - * Documentation of get_user_pages is in mm/gup.c: - * - * If the page is written to, set_page_dirty (or set_page_dirty_lock, - * as appropriate) must be called after the page is finished with, and - * before put_page is called. + * The pages may have been written to, so we call put_user_pages_dirty_lock(), + * rather than put_user_pages(). */ static int genwqe_free_user_pages(struct page **page_list, unsigned int nr_pages, int dirty) { - unsigned int i; - - for (i = 0; i < nr_pages; i++) { - if (page_list[i] != NULL) { - if (dirty) - set_page_dirty_lock(page_list[i]); - put_page(page_list[i]); - } - } + put_user_pages_dirty_lock(page_list, nr_pages, dirty); return 0; }