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=-2.5 required=3.0 tests=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 6793FC2BD09 for ; Wed, 4 Dec 2019 13:48:55 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 373162077B for ; Wed, 4 Dec 2019 13:48:55 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 373162077B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id C92B36B0AD7; Wed, 4 Dec 2019 08:48:54 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id C43FB6B0AD8; Wed, 4 Dec 2019 08:48:54 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id B59C16B0AD9; Wed, 4 Dec 2019 08:48:54 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0155.hostedemail.com [216.40.44.155]) by kanga.kvack.org (Postfix) with ESMTP id A0D176B0AD7 for ; Wed, 4 Dec 2019 08:48:54 -0500 (EST) Received: from smtpin19.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with SMTP id 58A38824D18C for ; Wed, 4 Dec 2019 13:48:53 +0000 (UTC) X-FDA: 76227589746.19.bike10_30739686f3a26 X-HE-Tag: bike10_30739686f3a26 X-Filterd-Recvd-Size: 3297 Received: from mail-wr1-f66.google.com (mail-wr1-f66.google.com [209.85.221.66]) by imf27.hostedemail.com (Postfix) with ESMTP for ; Wed, 4 Dec 2019 13:48:52 +0000 (UTC) Received: by mail-wr1-f66.google.com with SMTP id y17so8683327wrh.5 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=bqH+RTnn57CbgvdFDTfhiloLlh6ZTzApOlqBMKmCIwwQKVh8bjjXeuqYZgC/kCOzm1 zl9ChEvv+7hZRbYObkbSJ7Ottz/yUyy4oMXhq5t9wwkTfJ/2FeZbynN1GARCjobN3oaN IKDjal0RmME3lmX2aBX8wQ/7RZecmkHLBWQH/IPZxeEKJFNxsvM/qLgsY6yF+IRMQ2aO YlArRpjp5DMYuOGniG3DoftvA6DYVxwaI/S19xWjBbDs9zQGvBusZIc/eowfZh7f619G 5PiFwsDn8AarlX8rUMhnjHif7TKs8mYXLsPkxNWk292AGQgensT5M77u7H94tneRaJh8 oaWg== X-Gm-Message-State: APjAAAW7PVMjBCPXp3DTbfi+POqoTotgxE9HKCXzZP16SsZ25IjrF4X4 nUK/s1wG4NKGe+2R9DkCOrY= 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 In-Reply-To: <20191203104853.4378-2-thomas_os@shipmail.org> User-Agent: Mutt/1.10.1 (2018-07-13) Content-Transfer-Encoding: quoted-printable X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue 03-12-19 11:48:52, Thomas Hellstr=F6m (VMware) wrote: > From: Thomas Hellstrom >=20 > 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. --=20 Michal Hocko SUSE Labs