Received: by 10.213.65.68 with SMTP id h4csp1567475imn; Wed, 4 Apr 2018 23:12:32 -0700 (PDT) X-Google-Smtp-Source: AIpwx4/r29edwkstBnfgqhzadEOrYa6EjlpbKhKAYoCk1LxXo1xTiqh7pnS+irjo7sphjaMbluDK X-Received: by 10.98.93.149 with SMTP id n21mr16245703pfj.222.1522908752438; Wed, 04 Apr 2018 23:12:32 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1522908752; cv=none; d=google.com; s=arc-20160816; b=Z9IK25Pk3ewK90HLHHUMirY2waf4QEGYezW6eff7ya9OxQHVqKlLqsj51Q68pX/mhE 3EZfG5rxBVNQ1PmwRRnpNqA92S/b+JdjYXhYBQ11qEvqPjGPwioJMr/kUQids5YomXQw 3f6ca+UwxdAC6FFkqO+R+Cgn2hvcsZFe43p86Ks8T1Rzr1mvv3oP218W2zCkvUQbQZD2 m3SnE5xPt01zgPf5d/NZhAfUepsMheneeywXo53Ie3XyyfcUVmXxr0z0x28doYa/L7Q7 ow1ULIBhL+4TsokhCjWdf/rZi9fUDILhrkMbgbRtQ6DLKuFIG6zULeX7yeS+EpKvfJoU IoZg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:user-agent:in-reply-to :content-disposition:mime-version:references:message-id:subject:cc :to:from:date:arc-authentication-results; bh=FBNlZfJfJ6bqp23ImwN6IGVwrGTT6MliR7xT+oXXwVo=; b=OEw5otKfDr3WPinyEtGW5UlbQ/a5ZJ1kB/I9y1W0EyCKlKok/mBhtgjRJVLXCHH1Ak hz1uShCGiGx0GY+hwtxaObXNc75Wkqvnzb/GjB4fbTALq6GLNZH0DWaO/tDOqnyOnjo7 G1DEd/N5u2Dylhw54fjI+VmI9v1IrkCGeeUBEKalrxQ823kmDdij5A5Q/xL6Zdz5H8AW jFQb33D3nbIS5pAcPs31J+SbROdx/0bJgbufGhXo+wyH1eRPE4XKcqpEF7MUdHWwmA4h 34BopYz24QziB4vF8icl6/YTcAYJxX0Ms1+7dcIiDZvtkeKiR9sQ8dZUxB6fYpWsuY74 yBJw== 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 u17si5414010pfh.244.2018.04.04.23.12.05; Wed, 04 Apr 2018 23:12:32 -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 S1751318AbeDEGKS (ORCPT + 99 others); Thu, 5 Apr 2018 02:10:18 -0400 Received: from mx2.suse.de ([195.135.220.15]:58363 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750943AbeDEGKR (ORCPT ); Thu, 5 Apr 2018 02:10:17 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 822FDAF3F; Thu, 5 Apr 2018 06:10:16 +0000 (UTC) Date: Thu, 5 Apr 2018 08:10:15 +0200 From: Michal Hocko To: Buddy Lumpkin Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org, hannes@cmpxchg.org, riel@surriel.com, mgorman@suse.de, willy@infradead.org, akpm@linux-foundation.org Subject: Re: [RFC PATCH 1/1 v2] vmscan: Support multiple kswapd threads per node Message-ID: <20180405061015.GU6312@dhcp22.suse.cz> References: <1522878594-52281-1-git-send-email-buddy.lumpkin@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1522878594-52281-1-git-send-email-buddy.lumpkin@oracle.com> User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed 04-04-18 21:49:54, Buddy Lumpkin wrote: > v2: > - Make update_kswapd_threads_node less racy > - Handle locking for case where CONFIG_MEMORY_HOTPLUG=n Please do not repost with such a small changes. It is much more important to sort out the big picture first and only then deal with minor implementation details. The more versions you post the more fragmented and messy the discussion will become. You will have to be patient because this is a rather big change and it will take _quite_ some time to get sorted. Thanks! -- Michal Hocko SUSE Labs