Received: by 2002:a25:ad19:0:0:0:0:0 with SMTP id y25csp4246862ybi; Mon, 15 Jul 2019 06:10:39 -0700 (PDT) X-Google-Smtp-Source: APXvYqyA2Djb5p1C0MJwGf0HUHb6wOQhctYKlAjt9fjRFB4VAOusLBdywTiGZJmfigxCEah/Vodr X-Received: by 2002:a63:455c:: with SMTP id u28mr6728851pgk.416.1563196239249; Mon, 15 Jul 2019 06:10:39 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1563196239; cv=none; d=google.com; s=arc-20160816; b=mDEBE03iTbXMN+XBYBhTh4dYuq37GTbKkuGdxloXUbPDMcVAn9I1vNL43HEJKK/UUk BOyrKqgtkJ12nc14bvDxYpm+8mzEj7bbHFSxoG624FfrA7EL+cWUgFRdAB5gvNG+dmPo ec+QbxtVIHmoHtgLDHDGXFHxrsTHi6Vp5FEdvGYYr0EGwg4tiWZY1xSqaDxs/TGkVfl0 crUr+/XlQsBL9cUvxBwrxaoo6OlFVkFb3QHR8/9WvYjtxdF/Md3VDd6/e4rv02Ujw7ZE cYg/OR5zuKfdUSGO3GHJobe8M2D2b8wMbayI7HJr3bxF17kZHrxKvvOZ/HAkpKm+e8W/ cz6w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:mime-version:user-agent:references :message-id:in-reply-to:subject:cc:to:from:date; bh=YWSXzMBsR2TR6A1F1WRnPCvLrQf0rJZz8/hiYkd3cZY=; b=Bvk4K4sfrL7eqWguFw3C83+d5/bHQP3tpcFkWyftrq+/lcG8BI3sBGmwoTFsiNE3tD NdV+MQcnm6yGhY0Plmgxre6ihzIAEC2LU3UiC3BxNmQ0uiliJ6bvAMJ10mU2u15Wbb9W ToipfTnzXoNN1dVl9o2yT/1S0y70wGiylkElBJwFYDsi/i/nlKESzNfc959UMg8gMqVs DlegAUlJRIBJ4a/DLzr3BXcPwhQIqwVKGfsFOEj7yTGa0fbADlbTWUFhfYwaTjVIL8QC 2NyT5FIh8TMoF+IwAnD72BRGUeJ0dw7QCrkygh6Ld6QmLgKdGdvwOkbiwU1FTZW7KpvB F+YQ== 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 d184si16780541pga.551.2019.07.15.06.10.19; Mon, 15 Jul 2019 06:10:39 -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 S1730178AbfGONIw (ORCPT + 99 others); Mon, 15 Jul 2019 09:08:52 -0400 Received: from Galois.linutronix.de ([193.142.43.55]:47654 "EHLO Galois.linutronix.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730019AbfGONIw (ORCPT ); Mon, 15 Jul 2019 09:08:52 -0400 Received: from [5.158.153.52] (helo=nanos.tec.linutronix.de) by Galois.linutronix.de with esmtpsa (TLS1.2:DHE_RSA_AES_256_CBC_SHA256:256) (Exim 4.80) (envelope-from ) id 1hn0ih-0006Ku-9b; Mon, 15 Jul 2019 15:08:43 +0200 Date: Mon, 15 Jul 2019 15:08:42 +0200 (CEST) From: Thomas Gleixner To: Joerg Roedel cc: Dave Hansen , Andy Lutomirski , Peter Zijlstra , Ingo Molnar , Borislav Petkov , Andrew Morton , linux-kernel@vger.kernel.org, linux-mm@kvack.org, Joerg Roedel Subject: Re: [PATCH 1/3] x86/mm: Check for pfn instead of page in vmalloc_sync_one() In-Reply-To: <20190715110212.18617-2-joro@8bytes.org> Message-ID: References: <20190715110212.18617-1-joro@8bytes.org> <20190715110212.18617-2-joro@8bytes.org> User-Agent: Alpine 2.21 (DEB 202 2017-01-01) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 15 Jul 2019, Joerg Roedel wrote: > From: Joerg Roedel > > Do not require a struct page for the mapped memory location > because it might not exist. This can happen when an > ioremapped region is mapped with 2MB pages. > > Signed-off-by: Joerg Roedel Lacks a Fixes tag, hmm?