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=-15.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 A235DC48BDF for ; Thu, 10 Jun 2021 11:18:27 +0000 (UTC) Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by mail.kernel.org (Postfix) with ESMTP id 321E5613FF for ; Thu, 10 Jun 2021 11:18:27 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 321E5613FF Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=techsingularity.net Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=owner-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix) id 57F066B0036; Thu, 10 Jun 2021 07:18:26 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 52F056B006E; Thu, 10 Jun 2021 07:18:26 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 42B036B0070; Thu, 10 Jun 2021 07:18:26 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0139.hostedemail.com [216.40.44.139]) by kanga.kvack.org (Postfix) with ESMTP id 06F9E6B0036 for ; Thu, 10 Jun 2021 07:18:25 -0400 (EDT) Received: from smtpin10.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay01.hostedemail.com (Postfix) with ESMTP id 8A18E180AD81D for ; Thu, 10 Jun 2021 11:18:25 +0000 (UTC) X-FDA: 78237565770.10.21ECF6A Received: from outbound-smtp29.blacknight.com (outbound-smtp29.blacknight.com [81.17.249.32]) by imf24.hostedemail.com (Postfix) with ESMTP id B58B1A00014E for ; Thu, 10 Jun 2021 11:18:19 +0000 (UTC) Received: from mail.blacknight.com (pemlinmail05.blacknight.ie [81.17.254.26]) by outbound-smtp29.blacknight.com (Postfix) with ESMTPS id C8E44BEBA4 for ; Thu, 10 Jun 2021 12:18:22 +0100 (IST) Received: (qmail 10021 invoked from network); 10 Jun 2021 11:18:22 -0000 Received: from unknown (HELO techsingularity.net) (mgorman@techsingularity.net@[84.203.17.255]) by 81.17.254.9 with ESMTPSA (AES256-SHA encrypted, authenticated); 10 Jun 2021 11:18:22 -0000 Date: Thu, 10 Jun 2021 12:18:21 +0100 From: Mel Gorman To: Zi Yan Cc: Andrew Morton , Dave Hansen , Vlastimil Babka , Michal Hocko , Jesper Dangaard Brouer , LKML , Linux-MM Subject: Re: [PATCH 2/2] mm/page_alloc: Allow high-order pages to be stored on the per-cpu lists Message-ID: <20210610111821.GY30378@techsingularity.net> References: <20210603142220.10851-1-mgorman@techsingularity.net> <20210603142220.10851-3-mgorman@techsingularity.net> <88FCC7AA-FAAA-4B87-B382-50BD54B2886B@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <88FCC7AA-FAAA-4B87-B382-50BD54B2886B@nvidia.com> User-Agent: Mutt/1.10.1 (2018-07-13) Authentication-Results: imf24.hostedemail.com; dkim=none; spf=pass (imf24.hostedemail.com: domain of mgorman@techsingularity.net designates 81.17.249.32 as permitted sender) smtp.mailfrom=mgorman@techsingularity.net; dmarc=none X-Stat-Signature: 8zs5fdcc4g9jfy1ekx68icen615jbhqn X-Rspamd-Server: rspam04 X-Rspamd-Queue-Id: B58B1A00014E X-HE-Tag: 1623323899-392596 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On Wed, Jun 09, 2021 at 02:30:18PM -0400, Zi Yan wrote: > On 3 Jun 2021, at 10:22, Mel Gorman wrote: > > Signed-off-by: Mel Gorman > > Acked-by: Vlastimil Babka > > --- > > include/linux/mmzone.h | 20 +++++- > > mm/internal.h | 2 +- > > mm/page_alloc.c | 159 +++++++++++++++++++++++++++++------------ > > mm/swap.c | 2 +- > > 4 files changed, 135 insertions(+), 48 deletions(-) > > > > Hi Mel, > > I am not able to boot my QEMU VM with v5.13-rc5-mmotm-2021-06-07-18-33. > git bisect points to this patch. The VM got stuck at ???Booting from ROM??????. > > My kernel config is attached and my qemu command is: > > qemu-system-x86_64 -kernel ~/repos/linux-1gb-thp/arch/x86/boot/bzImage \ > -drive file=~/qemu-image/vm.qcow2,if=virtio \ > -append "nokaslr root=/dev/vda1 rw console=ttyS0 " \ > -pidfile vm.pid \ > -netdev user,id=mynet0,hostfwd=tcp::11022-:22 \ > -device virtio-net-pci,netdev=mynet0 \ > -m 16g -smp 6 -cpu host -enable-kvm -nographic \ > -machine hmat=on -object memory-backend-ram,size=8g,id=m0 \ > -object memory-backend-ram,size=8g,id=m1 \ > -numa node,memdev=m0,nodeid=0 -numa node,memdev=m1,nodeid=1 > > The attached config has THP disabled. The VM cannot boot with THP enabled, > either. > There is not a lot of information to go on here. Can you confirm that a revert of that specific patch from mmotm-2021-06-07-18-33 also boots? It sounds like your console log is empty, does anything useful appear if you add "earlyprintk=serial,ttyS0,115200" to the kernel command line? -- Mel Gorman SUSE Labs