From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qk0-f197.google.com (mail-qk0-f197.google.com [209.85.220.197]) by kanga.kvack.org (Postfix) with ESMTP id 5627A6B000C for ; Tue, 7 Aug 2018 10:20:41 -0400 (EDT) Received: by mail-qk0-f197.google.com with SMTP id 17-v6so16807830qkz.15 for ; Tue, 07 Aug 2018 07:20:41 -0700 (PDT) Received: from mx1.redhat.com (mx3-rdu2.redhat.com. [66.187.233.73]) by mx.google.com with ESMTPS id p137-v6si1415424qke.135.2018.08.07.07.20.40 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 07 Aug 2018 07:20:40 -0700 (PDT) Subject: Re: [RFC PATCH 0/3] Do not touch pages in remove_memory path References: <20180807133757.18352-1-osalvador@techadventures.net> <6407d022-87b7-f5e0-572a-c5c29aba1314@redhat.com> <20180807141922.GA5244@techadventures.net> From: David Hildenbrand Message-ID: Date: Tue, 7 Aug 2018 16:20:37 +0200 MIME-Version: 1.0 In-Reply-To: <20180807141922.GA5244@techadventures.net> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: owner-linux-mm@kvack.org List-ID: To: Oscar Salvador Cc: akpm@linux-foundation.org, mhocko@suse.com, dan.j.williams@intel.com, pasha.tatashin@oracle.com, jglisse@redhat.com, yasu.isimatu@gmail.com, logang@deltatee.com, dave.jiang@intel.com, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Oscar Salvador On 07.08.2018 16:19, Oscar Salvador wrote: > On Tue, Aug 07, 2018 at 04:16:35PM +0200, David Hildenbrand wrote: >> On 07.08.2018 15:37, osalvador@techadventures.net wrote: >>> From: Oscar Salvador >>> >>> This tries to fix [1], which was reported by David Hildenbrand, and also >>> does some cleanups/refactoring. >>> >>> I am sending this as RFC to see if the direction I am going is right before >>> spending more time into it. >>> And also to gather feedback about hmm/zone_device stuff. >>> The code compiles and I tested it successfully with normal memory-hotplug operations. >>> >> >> Please coordinate next time with people already working on this, >> otherwise you might end up wasting other people's time. > > Hi David, > > Sorry, if you are already working on this, I step back immediately. > I will wait for your work. No, please keep going, you are way ahead of me ;) (I was got stuck at ZONE_DEVICE so far) > > thanks > -- Thanks, David / dhildenb