Received: by 2002:a25:6193:0:0:0:0:0 with SMTP id v141csp650694ybb; Wed, 8 Apr 2020 07:21:34 -0700 (PDT) X-Google-Smtp-Source: APiQypKuPbh3G60poJ+XqkzYt4Zr/JDYCCGyBIaSKhhjAq8Yhm8QP6XySeD62vuIieYYRrl0lXdL X-Received: by 2002:a9d:6a12:: with SMTP id g18mr5694176otn.19.1586355692654; Wed, 08 Apr 2020 07:21:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1586355692; cv=none; d=google.com; s=arc-20160816; b=oke8eMf6Z9xpTdqqhnDMF4GSHadjINhCD0nyxAKJXmbROrhcE+yF/U1NRk2kC6Xizt W9vTHDFlzkP9z4ybhYDjZh1AOw22CZowRz0NM17+5UsSbdbcnAhkclRzF4tRvCbGvnp/ CPJsbe0Z5BKj0vnGTnMYoNeFNrTRY1CQouo5uVhouKidFA5o7IJn6jvor9oq15dT7XMq ssny7u0/JE8WQIg8Ca1U5a8l0j4oQnGWekl2ufuGVrT2BOumZ8A4T9IC7qaXk6i2NPh/ tolDxWQlCdGDWkl+XTjydomLyKLrM2OA8Bi6GxkNzWiILdCdukBOnEDrwowHJlFqcSQd SDLA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date; bh=ivrgCTflUaB4g1Qg0aijN3q0hvvMKLnaE79+c5H9xz4=; b=CzNifGnBn7DGBN8eA6djZ1nSHY0u6JJxSoKe7m4B+gMS9CI1ruFqHFl7msuT7DJ4a1 IRwfHYhOlq2oUOTbwSn+aTTZJsoZHysw2jElleCy/nPzE8JtrW7dR5iHR61BTbXv3I05 KFc2N7R8eTUxei5Ae5Pm/nKoC0zhBYh4VmG96z23CgK6J9ECWzfnQVQ4Kcg2Mux/kRqc uf/ys8YqH9dTNBPkOdOV4s15ldXaqHtXqtQDFDwngUx3pMqXHBf6imfztSfln1EV3knE stYnlCYWbpbWErU2sCYfV0lRzh1ew1VFQXZC4ww82Dhe2/w5yY3ae9OzEn1U0YseF3dB bOWw== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id h11si2734631otg.318.2020.04.08.07.21.17; Wed, 08 Apr 2020 07:21:32 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727946AbgDHMYF (ORCPT + 99 others); Wed, 8 Apr 2020 08:24:05 -0400 Received: from verein.lst.de ([213.95.11.211]:41940 "EHLO verein.lst.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727717AbgDHMYE (ORCPT ); Wed, 8 Apr 2020 08:24:04 -0400 Received: by verein.lst.de (Postfix, from userid 2407) id 450A868C4E; Wed, 8 Apr 2020 14:23:57 +0200 (CEST) Date: Wed, 8 Apr 2020 14:23:56 +0200 From: Christoph Hellwig To: Peter Zijlstra Cc: Christoph Hellwig , Andrew Morton , "K. Y. Srinivasan" , Haiyang Zhang , Stephen Hemminger , Wei Liu , x86@kernel.org, David Airlie , Daniel Vetter , Laura Abbott , Sumit Semwal , Sakari Ailus , Minchan Kim , Nitin Gupta , Robin Murphy , Christophe Leroy , linuxppc-dev@lists.ozlabs.org, linux-hyperv@vger.kernel.org, dri-devel@lists.freedesktop.org, linaro-mm-sig@lists.linaro.org, linux-arch@vger.kernel.org, linux-mm@kvack.org, iommu@lists.linux-foundation.org, linux-arm-kernel@lists.infradead.org, linux-s390@vger.kernel.org, bpf@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH 17/28] mm: remove the prot argument from vm_map_ram Message-ID: <20200408122356.GA13282@lst.de> References: <20200408115926.1467567-1-hch@lst.de> <20200408115926.1467567-18-hch@lst.de> <20200408122104.GZ20713@hirez.programming.kicks-ass.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200408122104.GZ20713@hirez.programming.kicks-ass.net> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Apr 08, 2020 at 02:21:04PM +0200, Peter Zijlstra wrote: > On Wed, Apr 08, 2020 at 01:59:15PM +0200, Christoph Hellwig wrote: > > This is always GFP_KERNEL - for long term mappings with other properties > > vmap should be used. > > PAGE_KERNEL != GFP_KERNEL :-) Yep. The compiler complained about that a few times :)