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[216.228.112.21]) by smtp.gmail.com with ESMTPSA id r6sm35946836pjb.22.2019.08.04.15.49.55 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Sun, 04 Aug 2019 15:49:56 -0700 (PDT) X-Inumbo-ID: 2ee0ae68-b70a-11e9-8980-bc764e045a96 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=rRiJNzkH0bRoPJKYXoQcsROADD9YH4USeXVLEsmAa1E=; b=AV7uFQE9YUuDd+D7n/raE3+Vd4+M3WfHMpSGBy7Po/eVbcIBoj8uNAj9DUgT5bKiPy NOFpz/m3dZOdwDIxZQeVlxsCTnZ92dZxKMNJ/rR2X1bMUek0j8TGq+u0eAdIPX6nv7Xg 3xla0EEXNbB0lWncn+d/ABroqlg3T2U7E2b5B9Xg8cDDZKP8nXSMimiXqXtFe+tBDXhV ARezJERjiP3GeR4zOW6+cUq9Pz5Hkpr43jELcaC0lfmmiiWVj3OueADfK4ODHerMWl3x WKZ0WyFn5raZ50oDfnPOKa2jV6SJBQSgxKSa9LR9P0FGYWA2KC5auYEx1XvMz/0dUJhq D/Mg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=rRiJNzkH0bRoPJKYXoQcsROADD9YH4USeXVLEsmAa1E=; b=m7Ijn8NqKuCPQ4lxKvz9uCSZb+tfgN+Jnu/N6fwf2CVpTdYHYrPHYxlRFCS6CORWs1 yBQVvsxpd2RCZd65JVH4RordwmoouQyNYz82h4uxo8c2nmnuXCPsJNoZRVejbcjfp6Yl LeaRj6Xc5fX9SdAfxmLUJ6j6B/WKUB7vmqfNzNy0s/KMplzlYnHr94m/ZlalXCmjDonF woXdl/eNlnzaXbWMMClXHxK/CRA8eXX6LSaeOmY29wy8uAmy1zL2dqN0MqO4a18cnDB6 MKQiqHB31jOtZUJC4TlVb8umZMdFDJKj3z26bCcCSLSro3sxdoP+sF9WkSR2f5uYMF0N TdSA== X-Gm-Message-State: APjAAAXiIWOgID5k73eS4NFe6odYoQe3ruBzSMIsX273ZXzbDqEhIrRS GBj2dSH/i7wdXW9fR96fG8s= X-Google-Smtp-Source: APXvYqxM1jqqH644LscYZh1fOmR6SQroZ5U0oF421RZK6m1nNZ1H1tDwWIOHK+9da6OAru/hIya3FA== X-Received: by 2002:a63:61cf:: with SMTP id v198mr17505607pgb.217.1564958997274; Sun, 04 Aug 2019 15:49:57 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Sun, 4 Aug 2019 15:49:05 -0700 Message-Id: <20190804224915.28669-25-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190804224915.28669-1-jhubbard@nvidia.com> References: <20190804224915.28669-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Subject: [Xen-devel] [PATCH v2 24/34] futex: convert put_page() to put_user_page*() X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: linux-fbdev@vger.kernel.org, Jan Kara , kvm@vger.kernel.org, Peter Zijlstra , Dave Hansen , Dave Chinner , dri-devel@lists.freedesktop.org, linux-mm@kvack.org, sparclinux@vger.kernel.org, Ira Weiny , ceph-devel@vger.kernel.org, devel@driverdev.osuosl.org, rds-devel@oss.oracle.com, linux-rdma@vger.kernel.org, x86@kernel.org, amd-gfx@lists.freedesktop.org, Christoph Hellwig , Jason Gunthorpe , Ingo Molnar , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?UTF-8?q?J=C3=A9r=C3=B4me=20Glisse?= , linux-rpi-kernel@lists.infradead.org, Darren Hart , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, Thomas Gleixner , linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) 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: Thomas Gleixner Cc: Ingo Molnar Cc: Peter Zijlstra Cc: Darren Hart Signed-off-by: John Hubbard --- kernel/futex.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/kernel/futex.c b/kernel/futex.c index 6d50728ef2e7..4b4cae58ec57 100644 --- a/kernel/futex.c +++ b/kernel/futex.c @@ -623,7 +623,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a lock_page(page); shmem_swizzled =3D PageSwapCache(page) || page->mapping; unlock_page(page); - put_page(page); + put_user_page(page); =20 if (shmem_swizzled) goto again; @@ -675,7 +675,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a =20 if (READ_ONCE(page->mapping) !=3D mapping) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -683,7 +683,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a inode =3D READ_ONCE(mapping->host); if (!inode) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -702,7 +702,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a */ if (!atomic_inc_not_zero(&inode->i_count)) { rcu_read_unlock(); - put_page(page); + put_user_page(page); =20 goto again; } @@ -723,7 +723,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union fut= ex_key *key, enum futex_a } =20 out: - put_page(page); + put_user_page(page); return err; } =20 --=20 2.22.0 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel