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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id u69sm111740800pgu.77.2019.08.06.18.34.47 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Tue, 06 Aug 2019 18:34:48 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Cc: Christoph Hellwig , Dan Williams , Dave Chinner , Dave Hansen , Ira Weiny , Jan Kara , Jason Gunthorpe , =?utf-8?b?SsOpcsO0?= =?utf-8?b?bWUgR2xpc3Nl?= , LKML , 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 , Andrea Arcangeli , Anshuman Khandual , David Rientjes , Dominik Brodowski , "Kirill A . Shutemov" , Michal Hocko , Vlastimil Babka , zhong jiang Subject: [PATCH v3 40/41] mm/mempolicy.c: convert put_page() to put_user_page*() Date: Tue, 6 Aug 2019 18:33:39 -0700 Message-Id: <20190807013340.9706-41-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 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: X-Virus-Scanned: ClamAV using ClamSMTP From: John Hubbard For pages that were retained via get_user_pages*(), release those pages via the new put_user_page*() routines, instead of via put_page() or release_pages(). This is part a tree-wide conversion, as described in commit fc1d8e7cca2d ("mm: introduce put_user_page*(), placeholder versions"). Cc: Andrea Arcangeli Cc: Anshuman Khandual Cc: David Rientjes Cc: Dominik Brodowski Cc: Kirill A. Shutemov Cc: Michal Hocko Cc: Vlastimil Babka Cc: zhong jiang Signed-off-by: John Hubbard --- mm/mempolicy.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/mempolicy.c b/mm/mempolicy.c index f48693f75b37..76a8e935e2e6 100644 --- a/mm/mempolicy.c +++ b/mm/mempolicy.c @@ -832,7 +832,7 @@ static int lookup_node(struct mm_struct *mm, unsigned long addr) err = get_user_pages_locked(addr & PAGE_MASK, 1, 0, &p, &locked); if (err >= 0) { err = page_to_nid(p); - put_page(p); + put_user_page(p); } if (locked) up_read(&mm->mmap_sem);