From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_SANE_1 autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id B6D77C2BC73 for ; Wed, 4 Dec 2019 13:48:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 8CE8120675 for ; Wed, 4 Dec 2019 13:48:57 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1575467337; bh=YqFbjWPUk3rwAf93tYmJstAPKYk1zOHT37wBLmZzO+4=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=Ach69JTCS+jutrjdViUF+589111NuwpOYYUaEeI9tMfg8fviW1/khez4XgItMjd6M Qp/1neV7rixqgutpwk5sq5DYVELl1nRPXJAqPWaVmLFpYkw6XTTKpWisjHsnbyElql POWVvYyARJkGU41cagYpFg9pEcEKetTPIzCov7vc= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728005AbfLDNs4 (ORCPT ); Wed, 4 Dec 2019 08:48:56 -0500 Received: from mail-wr1-f65.google.com ([209.85.221.65]:44438 "EHLO mail-wr1-f65.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727972AbfLDNsy (ORCPT ); Wed, 4 Dec 2019 08:48:54 -0500 Received: by mail-wr1-f65.google.com with SMTP id q10so8622866wrm.11 for ; Wed, 04 Dec 2019 05:48:52 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=qKt3fgYEHdyVjIAjoOhERCvfE0DFlu+fhVdi9xPnJdk=; b=CVdZQ3pFsu74FoWs3/jTRafSytujQJEovTahfYVcYa2k9jmZmGavC4qXoCqCvk9eLy w7N8VHkc7dT0djny+a7fLPtGv/rO0YjYOzQmQ3wz+boVv0lgdKehoykpDODXRDMr8Ye/ C5+paj5Yy4MRceeQ2vRk28l+bZOs7TLIMR5uXu9KEclDqrv/s0s//EliUT002r36xqLz J5zSyIfFaU+V5scVGxuAv1CpT73fGWutmaRxdd5WA3MKkTPWsGm4T8aFZw865st4qUP3 7kCHz8D8Wdt4a+Tbpj48w/P2Y084l4atC1bMCXGZrySd2aDVBMOP5FCvgWYw5WeRrXEV 1f/Q== X-Gm-Message-State: APjAAAVx+mY+wX+M5yXAgiAIt8M1Qgv/zrgLuvL5iG1r7Fz5y3aOdura eXgubGWs2i8tqeKtXurjLCE= X-Google-Smtp-Source: APXvYqzUiAsWvg1avw6/n9S8BdQL0pHzBtuvBpKCZhCyP0XWFnjFNbmmp8KFGWWwfhW5J3HZ9PnlQw== X-Received: by 2002:a05:6000:160d:: with SMTP id u13mr4341444wrb.22.1575467331881; Wed, 04 Dec 2019 05:48:51 -0800 (PST) Received: from localhost (prg-ext-pat.suse.com. [213.151.95.130]) by smtp.gmail.com with ESMTPSA id o15sm8765601wra.83.2019.12.04.05.48.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Dec 2019 05:48:51 -0800 (PST) Date: Wed, 4 Dec 2019 14:48:50 +0100 From: Michal Hocko To: Thomas =?iso-8859-1?Q?Hellstr=F6m_=28VMware=29?= Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, pv-drivers@vmware.com, linux-graphics-maintainer@vmware.com, Thomas Hellstrom , Andrew Morton , "Matthew Wilcox (Oracle)" , "Kirill A. Shutemov" , Ralph Campbell , =?iso-8859-1?B?Suly9G1l?= Glisse , Christian =?iso-8859-1?Q?K=F6nig?= Subject: Re: [PATCH v2 1/2] mm: Add and export vmf_insert_mixed_prot() Message-ID: <20191204134850.GG25242@dhcp22.suse.cz> References: <20191203104853.4378-1-thomas_os@shipmail.org> <20191203104853.4378-2-thomas_os@shipmail.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20191203104853.4378-2-thomas_os@shipmail.org> User-Agent: Mutt/1.10.1 (2018-07-13) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue 03-12-19 11:48:52, Thomas Hellström (VMware) wrote: > From: Thomas Hellstrom > > The TTM module today uses a hack to be able to set a different page > protection than struct vm_area_struct::vm_page_prot. To be able to do > this properly, add and export vmf_insert_mixed_prot(). A new symbol should be added in a patch that adds a new user which is not the case here. -- Michal Hocko SUSE Labs