From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.6 required=3.0 tests=DKIM_INVALID,DKIM_SIGNED, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 12D2AC004D3 for ; Mon, 22 Oct 2018 10:33:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id B025A20652 for ; Mon, 22 Oct 2018 10:33:11 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="PjpbT//D"; dkim=fail reason="key not found in DNS" (0-bit key) header.d=codeaurora.org header.i=@codeaurora.org header.b="mQ+BpRgf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B025A20652 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=codeaurora.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728724AbeJVSvI (ORCPT ); Mon, 22 Oct 2018 14:51:08 -0400 Received: from smtp.codeaurora.org ([198.145.29.96]:48854 "EHLO smtp.codeaurora.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728560AbeJVSvI (ORCPT ); Mon, 22 Oct 2018 14:51:08 -0400 Received: by smtp.codeaurora.org (Postfix, from userid 1000) id 51DE160C4C; Mon, 22 Oct 2018 10:33:09 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1540204389; bh=AHxOMvz/rwnT09iJ6eDb35LsSgvNLA11wcJbgov+mBk=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PjpbT//DomAkQrUs7H938mWdeuDup27b9/ELFcNwHvYel1Wi8Tnx3RVCUEtX4FSS3 KF4zo1CLnjT8+XbCgTINq8EJH/A7zvggSydR0SFVRVRA16dMG7wDtwPdquh83EerUo MNyiBYUV9h5hccXVhamlqa4a22fMdyufr753hnsA= Received: from mail.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.codeaurora.org (Postfix) with ESMTP id 24D1160850; Mon, 22 Oct 2018 10:33:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=codeaurora.org; s=default; t=1540204388; bh=AHxOMvz/rwnT09iJ6eDb35LsSgvNLA11wcJbgov+mBk=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=mQ+BpRgfjGtSdG5H617PQAtZW3uE13y5FkQo4lBjBdbVYsCnbCKQcQVi6YF1+4a8P p6KQNuI4pz8VweaQHrE6y7RpSTjFCSnjGDWnGZXK2arzkmd5lCFZt3tNq8+EgR172j I86z9q5yn8cd+pNTVRpa5VuBHnbSV/EVf4jVR7hA= 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 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 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: X-Sender: arunks@codeaurora.org User-Agent: Roundcube Webmail/1.2.5 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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