From patchwork Mon Aug 5 22:20:18 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: 11077815 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 EF6B413B1 for ; Mon, 5 Aug 2019 22:20:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E026728970 for ; Mon, 5 Aug 2019 22:20:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D479E2897E; Mon, 5 Aug 2019 22:20:27 +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=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 844A528980 for ; Mon, 5 Aug 2019 22:20:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730917AbfHEWUZ (ORCPT ); Mon, 5 Aug 2019 18:20:25 -0400 Received: from mail-pl1-f195.google.com ([209.85.214.195]:33830 "EHLO mail-pl1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730893AbfHEWUY (ORCPT ); Mon, 5 Aug 2019 18:20:24 -0400 Received: by mail-pl1-f195.google.com with SMTP id i2so37019096plt.1; Mon, 05 Aug 2019 15:20:24 -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=A5i3Rg5kn+067MlNxvjupwCb7OvZHoHIUYxhc992JlI=; b=pKuvlg2hwoarkpfTNR6KpixqG4Wg34fPCZG//9C6ep56sknR9I6vumm0Lj3xNQ1iy7 An0z5XnlgimFQqRa05txx12NevWhyV2Lb7x7p2vHSDc/vJyL1UMYh04P9z/8PeBlcmof KbVsF4kxEcmAWh81dDR0kLUU+u0G+IpIho0ZKDYJ6YObrCosO+58QStFqlNQi3Rqxkwj mXW60Rl4Ow9n9Sdcj6VEbxH9m4Ri+EM2o4zS9fB6QgzhPUmrUTRomPfxUofSeQEGClbH C3e21QDeVMlfxyNkwOcnJ77HHrUIJvK4WErEgQY92HF4We5BbAHaiz5aLeeZQO3yjwBd vyIA== 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=A5i3Rg5kn+067MlNxvjupwCb7OvZHoHIUYxhc992JlI=; b=UdScv5nHKQmjLtQFZPKe7e96q2dya7kQYstp0D7/0yvAP6L0uzWSfpw8CZs7GqUTgX rWO3HigKH7JVRe7THjM01KeFtrHL4KKnkMG0viTA1CyByocKjsestLgylIeIT589vodm XAAqEVnZaHpEGif/zL9jIwwUIiUN3f9mqzlqlBcVd4uwpMuGanfCNa6cd3ktzY/2s5Qa TZULpEphkB8w55NLSztbHQi7KeZExDU3Kab1vtqh2JzwfkdIYIL9RgY3oYr3NXdAZ0RC U4E+Xm9MMcJFylzgbBiMXpRzEoR8GIyXo77d/D7hHY6fPFIeFnXwgf399QmoJGLjgKtR Bg6g== X-Gm-Message-State: APjAAAXf0rsAT80Krtb86pAsXRpUDEu03pHKSj+YxV2OZ3/hGZfX24yT VIbt0hX5ehfwOD7Pf+mp49I= X-Google-Smtp-Source: APXvYqym5DWO2ynioA/LXqxbhVbEGp7NF1n1NiggZv5NF8aTVSRSKOlyn+2cbWlflhCbI+qCdy/2Cw== X-Received: by 2002:a17:902:6b0c:: with SMTP id o12mr24420plk.113.1565043623671; Mon, 05 Aug 2019 15:20:23 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id 185sm85744057pfd.125.2019.08.05.15.20.22 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Mon, 05 Aug 2019 15:20:23 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Cc: Christoph Hellwig , Ira Weiny , Jan Kara , Jason Gunthorpe , Jerome Glisse , LKML , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, John Hubbard , Andrea Arcangeli , Anshuman Khandual , David Rientjes , Dominik Brodowski , "Kirill A . Shutemov" , Michal Hocko , Vlastimil Babka , zhong jiang Subject: [PATCH 2/3] mm/mempolicy.c: convert put_page() to put_user_page*() Date: Mon, 5 Aug 2019 15:20:18 -0700 Message-Id: <20190805222019.28592-3-jhubbard@nvidia.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190805222019.28592-1-jhubbard@nvidia.com> References: <20190805222019.28592-1-jhubbard@nvidia.com> MIME-Version: 1.0 X-NVConfidentiality: public Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org 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);