From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pl1-f197.google.com (mail-pl1-f197.google.com [209.85.214.197]) by kanga.kvack.org (Postfix) with ESMTP id BEE326B0006 for ; Mon, 22 Oct 2018 06:33:10 -0400 (EDT) Received: by mail-pl1-f197.google.com with SMTP id f5-v6so29853491plf.11 for ; Mon, 22 Oct 2018 03:33:10 -0700 (PDT) Received: from smtp.codeaurora.org (smtp.codeaurora.org. [198.145.29.96]) by mx.google.com with ESMTPS id y17-v6si12123483pfb.196.2018.10.22.03.33.09 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 22 Oct 2018 03:33:09 -0700 (PDT) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Content-Transfer-Encoding: 7bit Date: Mon, 22 Oct 2018 16:03:08 +0530 From: Arun KS Subject: Re: [PATCH v5 1/2] memory_hotplug: Free pages as higher order In-Reply-To: <20181019080755.GK18839@dhcp22.suse.cz> References: <1538727006-5727-1-git-send-email-arunks@codeaurora.org> <72215e75-6c7e-0aef-c06e-e3aba47cf806@suse.cz> <20181010173334.GL5873@dhcp22.suse.cz> <20181011075503.GQ5873@dhcp22.suse.cz> <20181018191825.fcad6e28f32a3686f201acdf@linux-foundation.org> <20181019080755.GK18839@dhcp22.suse.cz> Message-ID: Sender: owner-linux-mm@kvack.org List-ID: To: Michal Hocko Cc: Andrew Morton , Vlastimil Babka , kys@microsoft.com, haiyangz@microsoft.com, sthemmin@microsoft.com, boris.ostrovsky@oracle.com, jgross@suse.com, dan.j.williams@intel.com, iamjoonsoo.kim@lge.com, gregkh@linuxfoundation.org, osalvador@suse.de, malat@debian.org, kirill.shutemov@linux.intel.com, jrdr.linux@gmail.com, yasu.isimatu@gmail.com, mgorman@techsingularity.net, aaron.lu@intel.com, devel@linuxdriverproject.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, xen-devel@lists.xenproject.org, vatsa@codeaurora.org, vinmenon@codeaurora.org, getarunks@gmail.com On 2018-10-19 13:37, Michal Hocko wrote: > On Thu 18-10-18 19:18:25, Andrew Morton wrote: > [...] >> So this patch needs more work, yes? > > Yes, I've talked to Arun (he is offline until next week) offlist and he > will play with this some more. Converted totalhigh_pages, totalram_pages and zone->managed_page to atomic and tested hot add. Latency is not effected with this change. Will send out a separate patch on top of this one. Regards, Arun