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=-5.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING,SPF_HELO_NONE,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 BDD19C433DF for ; Tue, 9 Jun 2020 05:29:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id A05E9207ED for ; Tue, 9 Jun 2020 05:29:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727948AbgFIF3T (ORCPT ); Tue, 9 Jun 2020 01:29:19 -0400 Received: from ozlabs.org ([203.11.71.1]:38845 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727842AbgFIF3K (ORCPT ); Tue, 9 Jun 2020 01:29:10 -0400 Received: by ozlabs.org (Postfix, from userid 1034) id 49gzFF26KKz9sTl; Tue, 9 Jun 2020 15:29:03 +1000 (AEST) From: Michael Ellerman To: Thomas Gleixner , Greg Kroah-Hartman , Leonardo Bras , Hari Bathini , Allison Randal , Claudio Carvalho , Benjamin Herrenschmidt , Michael Ellerman , Paul Mackerras , Nathan Fontenot , Bharata B Rao Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org In-Reply-To: <20200402195156.626430-1-leonardo@linux.ibm.com> References: <20200402195156.626430-1-leonardo@linux.ibm.com> Subject: Re: [PATCH v3 1/1] powerpc/kernel: Enables memory hot-remove after reboot on pseries guests Message-Id: <159168034470.1381411.12073746896730178123.b4-ty@ellerman.id.au> Date: Tue, 9 Jun 2020 15:29:03 +1000 (AEST) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2 Apr 2020 16:51:57 -0300, Leonardo Bras wrote: > While providing guests, it's desirable to resize it's memory on demand. > > By now, it's possible to do so by creating a guest with a small base > memory, hot-plugging all the rest, and using 'movable_node' kernel > command-line parameter, which puts all hot-plugged memory in > ZONE_MOVABLE, allowing it to be removed whenever needed. > > [...] Applied to powerpc/next. [1/1] powerpc/kernel: Enables memory hot-remove after reboot on pseries guests https://git.kernel.org/powerpc/c/b6eca183e23e7a6625a0d2cdb806b7cd1abcd2d2 cheers