From patchwork Fri Aug 2 02:19:49 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: john.hubbard@gmail.com X-Patchwork-Id: 11072637 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 13AAE13B1 for ; Fri, 2 Aug 2019 04:16:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 04B77287CC for ; Fri, 2 Aug 2019 04:16:12 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id EBAAE287D2; Fri, 2 Aug 2019 04:16:11 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.0 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, DKIM_INVALID,DKIM_SIGNED,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.xenproject.org (lists.xenproject.org [192.237.175.120]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id CD222287CD for ; Fri, 2 Aug 2019 04:16:10 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=lists.xenproject.org) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htOxa-0005tB-5v; Fri, 02 Aug 2019 04:14:30 +0000 Received: from us1-rack-dfw2.inumbo.com ([104.130.134.6]) by lists.xenproject.org with esmtp (Exim 4.89) (envelope-from ) id 1htNBR-00077y-Rg for xen-devel@lists.xenproject.org; Fri, 02 Aug 2019 02:20:41 +0000 X-Inumbo-ID: 1f8a8b10-b4cc-11e9-8980-bc764e045a96 Received: from mail-pl1-x641.google.com (unknown [2607:f8b0:4864:20::641]) by us1-rack-dfw2.inumbo.com (Halon) with ESMTPS id 1f8a8b10-b4cc-11e9-8980-bc764e045a96; Fri, 02 Aug 2019 02:20:41 +0000 (UTC) Received: by mail-pl1-x641.google.com with SMTP id 4so26013739pld.10 for ; Thu, 01 Aug 2019 19:20:40 -0700 (PDT) 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=Zk7mJfsjIPJK9Qgsn0u5osZJajJrXebF0c1tZrgdgoI=; b=nL5gA8HkBp1qUXL8uSk44yRPDpQM1GzztnKY+vjFkpLO4+ej8Ho3KCm6C4y+E5m8LE h9Iaftsjh1UsJUr+Pb21bHX0tSSHXapiGzhmehbpJMXTX/8OVSokepo7ZYp/sAOufRJM Dn+Q/LNbJL1I2nNGcQbJ8ZQUaKHbOXUsbWTmj876BCAWOoZWZ6NdZCYaUx//X8gLE1Fe Ao4iR+EL7uUQrdQvqWcLAimsvB7jPrqJUl8VTCYTJSYJDpeTKlwz9tVoL0Kex6hlm0oH POKBdW3YOuZavjeRiRdEl20H0UanKpKGw2d45prgvnfRqnKjFtcxDl+Dci+NMwFW+1GP a0XA== 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=Zk7mJfsjIPJK9Qgsn0u5osZJajJrXebF0c1tZrgdgoI=; b=BTrBpC1NYhcs4yqGkoOQJVqGAWauC4ctMQWG/TmJz3zgotCg1lAFctcHpPb6x3ZKPH NA9t9Y3kTo4ekYdOA1xrsHCAv49cyXfwFVhaolBHYj280XtfS2NwYcKoANpeWzPPhX4H Bg6xKTinwb8P4BIo2gcmeS46MkcVysLrfx2+OrULlZjLtICol/BA1jf2OUdltVNj1FAJ hFUX82Og2W71lg+secn4q4B+f5JBrgNuN9vNNALCeK0ADGo7dXvLcHubWwL4pGl87Kkg mP01Qqky/7x9u4zKPvFy9UOq25vG6egudRFtclvafOh5ZBYbwH30hUjrOuLwlfhhuLIB DaBw== X-Gm-Message-State: APjAAAXtG8LpylF6BUE+hXijCBRTYYbgaVXA+I5z7pbAZK9MM2u6pdZX k2sD4Ma/QZbm8ULLI4YiW6c= X-Google-Smtp-Source: APXvYqztsbUVpJnR1pWJXE324fW+SugJBxHHKLNQRZirN/VnD1v0OsiDr/qT4pG5Y0OOV3QlfOZRKQ== X-Received: by 2002:a17:902:830c:: with SMTP id bd12mr131600821plb.237.1564712440479; Thu, 01 Aug 2019 19:20:40 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.39 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:40 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Date: Thu, 1 Aug 2019 19:19:49 -0700 Message-Id: <20190802022005.5117-19-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190802022005.5117-1-jhubbard@nvidia.com> References: <20190802022005.5117-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public X-Mailman-Approved-At: Fri, 02 Aug 2019 04:14:22 +0000 Subject: [Xen-devel] [PATCH 18/34] fbdev/pvr2fb: 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, 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 , xen-devel@lists.xenproject.org, devel@lists.orangefs.org, linux-media@vger.kernel.org, Kees Cook , Bartlomiej Zolnierkiewicz , John Hubbard , intel-gfx@lists.freedesktop.org, linux-block@vger.kernel.org, =?utf-8?b?SsOpcsO0bWUgR2xpc3Nl?= , linux-rpi-kernel@lists.infradead.org, Arvind Yadav , Dan Williams , linux-arm-kernel@lists.infradead.org, linux-nfs@vger.kernel.org, netdev@vger.kernel.org, LKML , linux-xfs@vger.kernel.org, linux-crypto@vger.kernel.org, linux-fsdevel@vger.kernel.org, Bhumika Goyal , Al Viro Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" 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: Bartlomiej Zolnierkiewicz Cc: Kees Cook Cc: Al Viro Cc: Bhumika Goyal Cc: Arvind Yadav Cc: dri-devel@lists.freedesktop.org Cc: linux-fbdev@vger.kernel.org Signed-off-by: John Hubbard --- drivers/video/fbdev/pvr2fb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/video/fbdev/pvr2fb.c b/drivers/video/fbdev/pvr2fb.c index 7ff4b6b84282..0e4f9aa6444d 100644 --- a/drivers/video/fbdev/pvr2fb.c +++ b/drivers/video/fbdev/pvr2fb.c @@ -700,8 +700,7 @@ static ssize_t pvr2fb_write(struct fb_info *info, const char *buf, ret = count; out_unmap: - for (i = 0; i < nr_pages; i++) - put_page(pages[i]); + put_user_pages(pages, nr_pages); kfree(pages);