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Petersen" , Doug Gilbert , "James E.J. Bottomley" , Alexander Potapenko , Andrew Morton , Brendan Jackman , Christoph Lameter , Dennis Zhou , Dmitry Vyukov , dri-devel@lists.freedesktop.org, intel-gfx@lists.freedesktop.org, iommu@lists.linux.dev, io-uring@vger.kernel.org, Jason Gunthorpe , Jens Axboe , Johannes Weiner , John Hubbard , kasan-dev@googlegroups.com, kvm@vger.kernel.org, "Liam R. Howlett" , Linus Torvalds , linux-arm-kernel@axis.com, linux-arm-kernel@lists.infradead.org, linux-crypto@vger.kernel.org, linux-ide@vger.kernel.org, linux-kselftest@vger.kernel.org, linux-mips@vger.kernel.org, linux-mmc@vger.kernel.org, linux-mm@kvack.org, linux-riscv@lists.infradead.org, linux-s390@vger.kernel.org, linux-scsi@vger.kernel.org, Marco Elver , Marek Szyprowski , Michal Hocko , Mike Rapoport , Muchun Song , netdev@vger.kernel.org, Oscar Salvador , Peter Xu , Robin Murphy , Suren Baghdasaryan , Tejun Heo , virtualization@lists.linux.dev, Vlastimil Babka , wireguard@lists.zx2c4.com, x86@kernel.org, Zi Yan Subject: [PATCH v2 31/37] scsi: sg: drop nth_page() usage within SG entry Date: Mon, 1 Sep 2025 17:03:52 +0200 Message-ID: <20250901150359.867252-32-david@redhat.com> In-Reply-To: <20250901150359.867252-1-david@redhat.com> References: <20250901150359.867252-1-david@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: B2B35C0006 X-Stat-Signature: b1gfegkssibfhwqb6unggygebnj6j5qg X-Rspam-User: X-HE-Tag: 1756739571-848576 X-HE-Meta: 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 6XFhPdXh gKQRldrRxHYd6hyNash8uU2QFLIWOSM+RssYmW/uTSUvWFTQ10XMxqKNHL2trryM8i6MqVgkCb9ms94WFbBo6mgUFZw9Ps6xJxC+mb93vJE6dAao= 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: List-Subscribe: List-Unsubscribe: It's no longer required to use nth_page() when iterating pages within a single SG entry, so let's drop the nth_page() usage. Reviewed-by: Bart Van Assche Reviewed-by: Lorenzo Stoakes Reviewed-by: Martin K. Petersen Cc: Doug Gilbert Cc: "James E.J. Bottomley" Signed-off-by: David Hildenbrand --- drivers/scsi/sg.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c index 3c02a5f7b5f39..4c62c597c7be9 100644 --- a/drivers/scsi/sg.c +++ b/drivers/scsi/sg.c @@ -1235,8 +1235,7 @@ sg_vma_fault(struct vm_fault *vmf) len = vma->vm_end - sa; len = (len < length) ? len : length; if (offset < len) { - struct page *page = nth_page(rsv_schp->pages[k], - offset >> PAGE_SHIFT); + struct page *page = rsv_schp->pages[k] + (offset >> PAGE_SHIFT); get_page(page); /* increment page count */ vmf->page = page; return 0; /* success */ -- 2.50.1