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=-2.5 required=3.0 tests=MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 autolearn=no 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 5042FC2D0C4 for ; Tue, 10 Dec 2019 10:21:59 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 1CF2F2073B for ; Tue, 10 Dec 2019 10:21:59 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1CF2F2073B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id A758B6B2BC8; Tue, 10 Dec 2019 05:21:58 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id A26496B2BC9; Tue, 10 Dec 2019 05:21:58 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 93B646B2BCA; Tue, 10 Dec 2019 05:21:58 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0038.hostedemail.com [216.40.44.38]) by kanga.kvack.org (Postfix) with ESMTP id 79CED6B2BC8 for ; Tue, 10 Dec 2019 05:21:58 -0500 (EST) Received: from smtpin01.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay03.hostedemail.com (Postfix) with ESMTP id 237D38249980 for ; Tue, 10 Dec 2019 10:21:58 +0000 (UTC) X-FDA: 76248841116.01.rail78_2e3e41a70af0c X-HE-Tag: rail78_2e3e41a70af0c X-Filterd-Recvd-Size: 3100 Received: from mail-wm1-f42.google.com (mail-wm1-f42.google.com [209.85.128.42]) by imf24.hostedemail.com (Postfix) with ESMTP for ; Tue, 10 Dec 2019 10:21:57 +0000 (UTC) Received: by mail-wm1-f42.google.com with SMTP id n9so2497555wmd.3 for ; Tue, 10 Dec 2019 02:21:57 -0800 (PST) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:in-reply-to:user-agent; bh=CSZM3uDVFbgkGr5DOjP7IcHDu8SRtqcHecCMBfj8wdY=; b=qSYkXYiMlmwrccHBCh78NlRSdE94st3lFysEs6Xqm0g1N8Zb4I48ENGWsp4U5ITCSt JSYpugOPke9FuuQqN/DwSJ6edCr9KPMZYlvkHUT+6dZWqP1jzZn4CrAs2ABpRvbHmsZd BPbSDzTUmARb6vY0smjoo082MfwV6dO6Z8w9XIez2vDKbMFI/8MwHJsSjBKjbp6cQbMc pTZq6OuY6ZdXhEcd9rExgHR/b80p6hvP+UDsG4W+EB0xUixytYkQDnKkMotA8SeFAcHc SakQusddEtsQ7QBSlgkfahgEHSSGecjui/oN/4EgTv8s7etyROpjhtB82LKf5F8aPywC UWnQ== X-Gm-Message-State: APjAAAWIJWGd+lvrhfufZM3dQNd03OiA4oWESORPNQEIpbXo2Rm+Ntei 8xGKQla6d1OVSPcoNLg/EKc= X-Google-Smtp-Source: APXvYqy6ifGo1Gx4DRfjm9s/uVX87SaxM+rvYejqy3++2/RdsMTq7LWzLUAHDAUzgKq0o6g+yDvB7g== X-Received: by 2002:a1c:a382:: with SMTP id m124mr4339772wme.90.1575973316781; Tue, 10 Dec 2019 02:21:56 -0800 (PST) Received: from localhost (prg-ext-pat.suse.com. [213.151.95.130]) by smtp.gmail.com with ESMTPSA id k4sm2629758wmk.26.2019.12.10.02.21.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 10 Dec 2019 02:21:56 -0800 (PST) Date: Tue, 10 Dec 2019 11:21:55 +0100 From: Michal Hocko To: Baoquan He Cc: David Hildenbrand , Balbir Singh , linux-kernel@vger.kernel.org, linux-mm@kvack.org, jgross@suse.com, akpm@linux-foundation.org Subject: Re: [Patch v2] mm/hotplug: Only respect mem= parameter during boot stage Message-ID: <20191210102155.GD10404@dhcp22.suse.cz> References: <20191210084413.21957-1-bhe@redhat.com> <75188d0f-c609-5417-aa2e-354e76b7ba6e@gmail.com> <429622cf-f0f4-5d80-d39d-b0d8a6c6605f@redhat.com> <20191210095002.GA10404@dhcp22.suse.cz> <20191210101100.GM2984@MiWiFi-R3L-srv> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20191210101100.GM2984@MiWiFi-R3L-srv> User-Agent: Mutt/1.12.2 (2019-09-21) X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Tue 10-12-19 18:11:00, Baoquan He wrote: > On 12/10/19 at 10:50am, Michal Hocko wrote: [...] > > [1] Btw. it would have been much better if you posted the version 2 only > > after all the feedback got discussed properly. > > You could have replied to wrong person. > > I don't know the use case David told. My motivation was to make memory hotplug > not impacted after boot. I thought I have got your question and answered > it. I will wait a little longer when post next time. let me reply to your original email. -- Michal Hocko SUSE Labs