From patchwork Fri Aug 2 02:19:55 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: 11072973 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 A7C1D1395 for ; Fri, 2 Aug 2019 08:21:40 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 969A42875C for ; Fri, 2 Aug 2019 08:21:40 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8A137287BE; Fri, 2 Aug 2019 08:21:40 +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=-5.2 required=2.0 tests=BAYES_00,DKIM_ADSP_CUSTOM_MED, FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED autolearn=unavailable version=3.3.1 Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher DHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 4880D2875C for ; Fri, 2 Aug 2019 08:21:40 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 7FEC76ED3E; Fri, 2 Aug 2019 08:19:48 +0000 (UTC) X-Original-To: dri-devel@lists.freedesktop.org Delivered-To: dri-devel@lists.freedesktop.org Received: from mail-pf1-x444.google.com (mail-pf1-x444.google.com [IPv6:2607:f8b0:4864:20::444]) by gabe.freedesktop.org (Postfix) with ESMTPS id C11A06E862; Fri, 2 Aug 2019 02:20:49 +0000 (UTC) Received: by mail-pf1-x444.google.com with SMTP id p184so35148623pfp.7; Thu, 01 Aug 2019 19:20:49 -0700 (PDT) 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=tuYJYr5V+EI/Vz4mU7uSKTT+uzMD9iIzrVSnw8W8tvG+9Mxldguwq/GBrFfuxxwyyt UuZqrX+TYkGxBO+22tD0gUTNiplSZiKh38weZ7WQZDpefzJqFTttLbZ9/8Z4CiT11ZTH oOwXRLkbtRWCvEn0/fY14nXv6CjJvV5Ti3Yrz48562WsjfMZMDmBlVrK7VzXTnzZR6Aq RB4vmZbJfUygrZo7D303dFubP8Fie7M5Xf285GvDLBfCfyCSodRnSqDiFK4dTUk7rkb/ lpied4g/6qaEcBqYOViPpjiYwPRjfnBw78v/zRnUGXEiv0OxlutFFHFeshf7mf/U6xWy cH3A== X-Gm-Message-State: APjAAAUHTXsFxI48qs49PK6amxrlEffIDOEbEqgRpyJlCxH5ySjxsPs+ DqG3nwPR+2GXYxAWstshIkA= X-Google-Smtp-Source: APXvYqyQ9NWbm7e7UjvOHtMhAwjS+tkI0uFYNRjX3KlyXdyqOSjy3adbw2n2ONz+amcM+RqqbPvknQ== X-Received: by 2002:a17:90a:cb15:: with SMTP id z21mr1894788pjt.87.1564712449418; Thu, 01 Aug 2019 19:20:49 -0700 (PDT) Received: from blueforge.nvidia.com (searspoint.nvidia.com. [216.228.112.21]) by smtp.gmail.com with ESMTPSA id u9sm38179744pgc.5.2019.08.01.19.20.47 (version=TLS1_3 cipher=AEAD-AES256-GCM-SHA384 bits=256/256); Thu, 01 Aug 2019 19:20:48 -0700 (PDT) From: john.hubbard@gmail.com X-Google-Original-From: jhubbard@nvidia.com To: Andrew Morton Subject: [PATCH 24/34] futex: convert put_page() to put_user_page*() Date: Thu, 1 Aug 2019 19:19:55 -0700 Message-Id: <20190802022005.5117-25-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 08:19:03 +0000 X-Mailman-Original-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=IdQZjyJhMTiA3ru+rOrbTXLCRfg1Iz7YPF+8DSWpdWDcWtOO1jwAD+njJSqb4AFsL3 BoorK7WVXpk5wvzf+3MNWsWlqvxT2AU71m913kuKWpgnoA+0ZYT8hPv0DG2k2t5CL0So 4HfYIB1+xctKU8nZMy0TNVHkmmwgfvFDwPBOEjDSZMguKyYiKdAvH/kYmRGOOCm1PmW7 4QVOBE2D85KD1ebTOdlBPaqm/TGzFf20gzANQLnGH2MHePv/KbpSRa5elxYK3OTWVg7W lX3umVSebAxAiH6LaR7v6UhLbExl0YmQ1qyvKE73k3aH42K6tSy55ZxlEvZWhHEAZhKs EwnQ== X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: 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?b?SsOpcsO0bWUgR2xpc3Nl?= , 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 Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-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: 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 futex_key *key, enum futex_a lock_page(page); shmem_swizzled = PageSwapCache(page) || page->mapping; unlock_page(page); - put_page(page); + put_user_page(page); if (shmem_swizzled) goto again; @@ -675,7 +675,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a if (READ_ONCE(page->mapping) != mapping) { rcu_read_unlock(); - put_page(page); + put_user_page(page); goto again; } @@ -683,7 +683,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a inode = READ_ONCE(mapping->host); if (!inode) { rcu_read_unlock(); - put_page(page); + put_user_page(page); goto again; } @@ -702,7 +702,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a */ if (!atomic_inc_not_zero(&inode->i_count)) { rcu_read_unlock(); - put_page(page); + put_user_page(page); goto again; } @@ -723,7 +723,7 @@ get_futex_key(u32 __user *uaddr, int fshared, union futex_key *key, enum futex_a } out: - put_page(page); + put_user_page(page); return err; }