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=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 9A3F3C4CEC7 for ; Thu, 12 Sep 2019 14:09:22 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 710802053B for ; Thu, 12 Sep 2019 14:09:22 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732507AbfILOJV (ORCPT ); Thu, 12 Sep 2019 10:09:21 -0400 Received: from elvis.franken.de ([193.175.24.41]:41051 "EHLO elvis.franken.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1732348AbfILOJV (ORCPT ); Thu, 12 Sep 2019 10:09:21 -0400 Received: from uucp (helo=alpha) by elvis.franken.de with local-bsmtp (Exim 3.36 #1) id 1i8Pmh-0003T2-00; Thu, 12 Sep 2019 16:09:19 +0200 Received: by alpha.franken.de (Postfix, from userid 1000) id 1E80CC278A; Thu, 12 Sep 2019 16:09:12 +0200 (CEST) Date: Thu, 12 Sep 2019 16:09:12 +0200 From: Thomas Bogendoerfer To: Mike Rapoport Cc: Paul Burton , linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org, Mike Rapoport Subject: Re: [PATCH] mips: sgi-ip27: switch from DISCONTIGMEM to SPARSEMEM Message-ID: <20190912140912.GA13137@alpha.franken.de> References: <20190905133251.GA3650@rapoport-lnx> <20190905154831.88b7853b47ba7db7bd7626bd@suse.de> <20190905154747.GB3650@rapoport-lnx> <20190905233800.0f6b3fb3722cde2f5a88663a@suse.de> <20190906130223.GA17704@rapoport-lnx> <20190909182242.c1ef9717d14b20212ef75954@suse.de> <20190910113243.GA19207@rapoport-lnx> <20190911160939.19f776535770d12ff51a2af7@suse.de> <20190912105831.GA10677@rapoport-lnx> <20190912155539.6151b0811e858455be4c8d86@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190912155539.6151b0811e858455be4c8d86@suse.de> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Sep 12, 2019 at 03:55:39PM +0200, Thomas Bogendoerfer wrote: > - reserved[0xd] [0x000000035bff8000-0x000000035bffffff], 0x0000000000008000 bytes flags: 0x0 > > I have no idea which reservation this is, but it's not from one of the > node data. that's sparsemem's mem_section. And free_bootmem_with_active_regions(node, end_pfn); on the last node will free this reserved memory, when memory is added node by node. This explains it. So when resending the patch add my Tested-by: Thomas Bogendoerfer Thomas. -- Crap can work. Given enough thrust pigs will fly, but it's not necessarily a good idea. [ RFC1925, 2.3 ]