From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk1-f197.google.com (mail-qk1-f197.google.com [209.85.222.197]) by kanga.kvack.org (Postfix) with ESMTP id A46A16B0008 for ; Thu, 15 Nov 2018 04:23:28 -0500 (EST) Received: by mail-qk1-f197.google.com with SMTP id z68so19356808qkb.14 for ; Thu, 15 Nov 2018 01:23:28 -0800 (PST) Received: from mx1.redhat.com (mx1.redhat.com. [209.132.183.28]) by mx.google.com with ESMTPS id f26si427098qtc.65.2018.11.15.01.23.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Thu, 15 Nov 2018 01:23:27 -0800 (PST) Subject: Re: [PATCH RFC 3/6] kexec: export PG_offline to VMCOREINFO References: <20181114211704.6381-1-david@redhat.com> <20181114211704.6381-4-david@redhat.com> <20181115061923.GA3971@dhcp-128-65.nay.redhat.com> From: David Hildenbrand Message-ID: <685892a9-3a56-8e8c-dbe7-8b1159067a6b@redhat.com> Date: Thu, 15 Nov 2018 10:23:13 +0100 MIME-Version: 1.0 In-Reply-To: <20181115061923.GA3971@dhcp-128-65.nay.redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Dave Young Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org, devel@linuxdriverproject.org, linux-fsdevel@vger.kernel.org, linux-pm@vger.kernel.org, xen-devel@lists.xenproject.org, Andrew Morton , "Kirill A. Shutemov" , Baoquan He , Omar Sandoval , Arnd Bergmann , Matthew Wilcox , Michal Hocko , Lianbo Jiang , Borislav Petkov , "Michael S. Tsirkin" On 15.11.18 07:19, Dave Young wrote: > Hi David, > > On 11/14/18 at 10:17pm, David Hildenbrand wrote: >> Let's export PG_offline via PAGE_OFFLINE_MAPCOUNT_VALUE, so >> makedumpfile can directly skip pages that are logically offline and the >> content therefore stale. > > It would be good to copy some background info from cover letter to the > patch description so that we can get better understanding why this is > needed now. Yes, will add more detail! > > BTW, Lianbo is working on a documentation of the vmcoreinfo exported > fields. Ccing him so that he is aware of this. > > Also cc Boris, although I do not want the doc changes blocks this > he might have different opinion :) I'll be happy to help updating documentation (or updating it myself if the doc updates go in first). -- Thanks, David / dhildenb