From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from userp2130.oracle.com (userp2130.oracle.com [156.151.31.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 41Qmdx2m2KzDqx6 for ; Thu, 12 Jul 2018 03:44:05 +1000 (AEST) Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.22/8.16.0.22) with SMTP id w6BDrX0S090303 for ; Wed, 11 Jul 2018 13:56:02 GMT Received: from aserv0022.oracle.com (aserv0022.oracle.com [141.146.126.234]) by userp2130.oracle.com with ESMTP id 2k2p766a8a-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 11 Jul 2018 13:56:01 +0000 Received: from userv0121.oracle.com (userv0121.oracle.com [156.151.31.72]) by aserv0022.oracle.com (8.14.4/8.14.4) with ESMTP id w6BDu0d8028263 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Wed, 11 Jul 2018 13:56:00 GMT Received: from abhmp0010.oracle.com (abhmp0010.oracle.com [141.146.116.16]) by userv0121.oracle.com (8.14.4/8.13.8) with ESMTP id w6BDtxQt026711 for ; Wed, 11 Jul 2018 13:55:59 GMT Received: by mail-oi0-f50.google.com with SMTP id l10-v6so2683856oii.0 for ; Wed, 11 Jul 2018 06:55:59 -0700 (PDT) MIME-Version: 1.0 References: <20180710235044.vjlRV%akpm@linux-foundation.org> <87lgai9bt5.fsf@concordia.ellerman.id.au> <20180711133737.GA29573@techadventures.net> In-Reply-To: <20180711133737.GA29573@techadventures.net> From: Pavel Tatashin Date: Wed, 11 Jul 2018 09:55:59 -0400 Message-ID: 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) To: osalvador@techadventures.net Cc: mpe@ellerman.id.au, Andrew Morton , broonie@kernel.org, mhocko@suse.cz, Stephen Rothwell , linux-next@vger.kernel.org, linux-fsdevel@vger.kernel.org, Linux Memory Management List , LKML , mm-commits@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, bhe@redhat.com, aneesh.kumar@linux.ibm.com, khandual@linux.vnet.ibm.com Content-Type: text/plain; charset="UTF-8" List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , I am OK, if this patch is removed from Baoquan's series. But, I would still like to get rid of CONFIG_SPARSEMEM_ALLOC_MEM_MAP_TOGETHER, I can work on this in my sparse_init re-write series. ppc64 should really fallback safely to small chunks allocs, and if it does not there is some existing bug. Michael please send the config that you used. Thank you, Pavel On Wed, Jul 11, 2018 at 9:37 AM Oscar Salvador wrote: > > On Wed, Jul 11, 2018 at 10:49:58PM +1000, 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. > > > > The boot log with some extra debug shows eg: > > > > $ make pseries_le_defconfig > > Could you please share the config? > I was not able to find such config in the kernel tree. > -- > Oscar Salvador > SUSE L3 >