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=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS,URIBL_BLOCKED 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 6C298C43A1D for ; Thu, 12 Jul 2018 04:29:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 31CAC20849 for ; Thu, 12 Jul 2018 04:29:18 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 31CAC20849 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726377AbeGLEg4 (ORCPT ); Thu, 12 Jul 2018 00:36:56 -0400 Received: from ozlabs.org ([203.11.71.1]:42737 "EHLO ozlabs.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725756AbeGLEg4 (ORCPT ); Thu, 12 Jul 2018 00:36:56 -0400 Received: from authenticated.ozlabs.org (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPSA id 41R2yF2SMqz9s01; Thu, 12 Jul 2018 14:29:09 +1000 (AEST) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=ellerman.id.au From: Michael Ellerman To: Baoquan He Cc: akpm@linux-foundation.org, broonie@kernel.org, mhocko@suse.cz, sfr@canb.auug.org.au, linux-next@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, mm-commits@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, pasha.tatashin@oracle.com, "Aneesh Kumar K.V" , Anshuman Khandual Subject: Re: Boot failures with "mm/sparse: Remove CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER" on powerpc (was Re: mmotm 2018-07-10-16-50 uploaded) In-Reply-To: <20180711131225.GI1969@MiWiFi-R3L-srv> References: <20180710235044.vjlRV%akpm@linux-foundation.org> <87lgai9bt5.fsf@concordia.ellerman.id.au> <20180711131225.GI1969@MiWiFi-R3L-srv> Date: Thu, 12 Jul 2018 14:29:05 +1000 Message-ID: <87k1q184by.fsf@concordia.ellerman.id.au> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Baoquan He writes: > On 07/11/18 at 10:49pm, Michael Ellerman wrote: >> akpm@linux-foundation.org writes: >> > The mm-of-the-moment snapshot 2018-07-10-16-50 has been uploaded to >> > >> > http://www.ozlabs.org/~akpm/mmotm/ >> ... >> >> > * mm-sparse-add-a-static-variable-nr_present_sections.patch >> > * mm-sparsemem-defer-the-ms-section_mem_map-clearing.patch >> > * mm-sparsemem-defer-the-ms-section_mem_map-clearing-fix.patch >> > * mm-sparse-add-a-new-parameter-data_unit_size-for-alloc_usemap_and_memmap.patch >> > * mm-sparse-optimize-memmap-allocation-during-sparse_init.patch >> > * mm-sparse-optimize-memmap-allocation-during-sparse_init-checkpatch-fixes.patch >> >> > * mm-sparse-remove-config_sparsemem_alloc_mem_map_together.patch >> >> This seems to be breaking my powerpc pseries qemu boots. ... > > Have you tried reverting that patch and building kernel to test again? > Does it work? Yes. Reverting that patch on top of 98be45067040799a801e6ce52d8bf4659a153893 works as before. cheers