From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754610AbaANAgZ (ORCPT ); Mon, 13 Jan 2014 19:36:25 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:54689 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754587AbaANAgW (ORCPT ); Mon, 13 Jan 2014 19:36:22 -0500 Date: Mon, 13 Jan 2014 16:36:20 -0800 From: Andrew Morton To: Philipp Hachtmann Cc: linux-kernel@vger.kernel.org, linux-mm@kvack.org, qiuxishi@huawei.com, dhowells@redhat.com, daeseok.youn@gmail.com, liuj97@gmail.com, yinghai@kernel.org, zhangyanfei@cn.fujitsu.com, santosh.shilimkar@ti.com, grygorii.strashko@ti.com, tangchen@cn.fujitsu.com Subject: Re: [PATCH V3 2/2] mm/memblock: Add support for excluded memory areas Message-Id: <20140113163620.ade5ee9171c5f443a227f8af@linux-foundation.org> In-Reply-To: <1389618217-48166-3-git-send-email-phacht@linux.vnet.ibm.com> References: <1389618217-48166-1-git-send-email-phacht@linux.vnet.ibm.com> <1389618217-48166-3-git-send-email-phacht@linux.vnet.ibm.com> X-Mailer: Sylpheed 3.2.0beta5 (GTK+ 2.24.10; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 13 Jan 2014 14:03:37 +0100 Philipp Hachtmann wrote: > Add a new memory state "nomap" to memblock. This can be used to truncate > the usable memory in the system without forgetting about what is really > installed. > > ... > > 5 files changed, 254 insertions(+), 70 deletions(-) Patch is big. I'll toss this in for some testing but it does look too large and late for 3.14. How will this affect your s390 development? Hopefully some people who are familiar with memblock will have time to review this carefully, please.