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 Received: from kanga.kvack.org (kanga.kvack.org [205.233.56.17]) by smtp.lore.kernel.org (Postfix) with ESMTP id B5429C433EF for ; Tue, 11 Jan 2022 08:34:53 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 5061D6B0072; Tue, 11 Jan 2022 03:34:53 -0500 (EST) Received: by kanga.kvack.org (Postfix, from userid 40) id 48E6D6B0073; Tue, 11 Jan 2022 03:34:53 -0500 (EST) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 37D566B0074; Tue, 11 Jan 2022 03:34:53 -0500 (EST) X-Delivered-To: linux-mm@kvack.org Received: from forelay.hostedemail.com (smtprelay0227.hostedemail.com [216.40.44.227]) by kanga.kvack.org (Postfix) with ESMTP id 248136B0072 for ; Tue, 11 Jan 2022 03:34:53 -0500 (EST) Received: from smtpin16.hostedemail.com (10.5.19.251.rfc1918.com [10.5.19.251]) by forelay02.hostedemail.com (Postfix) with ESMTP id D4CBB92EA3 for ; Tue, 11 Jan 2022 08:34:52 +0000 (UTC) X-FDA: 79017345624.16.97957F0 Received: from smtp-out1.suse.de (smtp-out1.suse.de [195.135.220.28]) by imf20.hostedemail.com (Postfix) with ESMTP id 5450C1C0002 for ; Tue, 11 Jan 2022 08:34:52 +0000 (UTC) Received: from relay2.suse.de (relay2.suse.de [149.44.160.134]) by smtp-out1.suse.de (Postfix) with ESMTP id A2095212B5; Tue, 11 Jan 2022 08:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=suse.com; s=susede1; t=1641890090; h=from:from:reply-to:date:date:message-id:message-id:to:to:cc:cc: mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=Lub5q1qgOvncD1Ba+apCc8E7PLbL4JMxqnJyN9TDEZU=; b=jlOT/CFH0Og1QGmvac+XxAhfNJ90peYIrP6zUK+wIy3AU3T4xXvtkJWF1aO8E6onwjtT8N 4y7jvRl0PgWAhftDgmEnmUyjJzP+X49fE9YLBM2qdmDdRfD5JaA2DhD65RDsGbBqGBBkny 2x556g8VpcVU1Z/pkHYyaoqMsoU/ZlQ= Received: from suse.cz (unknown [10.100.201.86]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by relay2.suse.de (Postfix) with ESMTPS id 62F7BA3B81; Tue, 11 Jan 2022 08:34:50 +0000 (UTC) Date: Tue, 11 Jan 2022 09:34:49 +0100 From: Michal Hocko To: Rafael Aquini Cc: Andrew Morton , David Hildenbrand , Alexey Makhalov , LKML , linux-mm@kvack.org, Dennis Zhou , Eric Dumazet , Oscar Salvador , Tejun Heo , Christoph Lameter , Nico Pache Subject: Re: [PATCH v2 0/4] mm, memory_hotplug: handle unitialized numa node gracefully Message-ID: References: <20211214100732.26335-1-mhocko@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Rspamd-Queue-Id: 5450C1C0002 X-Stat-Signature: zym3gdr3id5ktikf5i6oyf7sc1ndsrmf Authentication-Results: imf20.hostedemail.com; dkim=pass header.d=suse.com header.s=susede1 header.b="jlOT/CFH"; dmarc=pass (policy=quarantine) header.from=suse.com; spf=pass (imf20.hostedemail.com: domain of mhocko@suse.com designates 195.135.220.28 as permitted sender) smtp.mailfrom=mhocko@suse.com X-Rspamd-Server: rspam06 X-HE-Tag: 1641890092-835669 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 Mon 10-01-22 16:16:06, Rafael Aquini wrote: > On Tue, Dec 14, 2021 at 11:07:28AM +0100, Michal Hocko wrote: > > Hi, > > this should be the full bundle for now. I have ended up with 4 patches. > > The primary fix is patch 2 (should be reasonably easy to backport to > > older kernels if there is any need for that). Patches 3 and 4 are mere > > clean ups. > > > > I will repost once this can get some testing from Alexey. Shouldn't be > > too much different from http://lkml.kernel.org/r/YbHfBgPQMkjtuHYF@dhcp22.suse.cz > > with the follow up fix squashed in. > > > > I would really appreciate to hear more about http://lkml.kernel.org/r/YbMZsczMGpChaWz0@dhcp22.suse.cz > > because I would like to add that information to the changelog as well. > > > > Thanks for the review and testing. > > > > FWIW, you can add my Acked-by on your repost Michal. > > I reviewed your patches and tested them against that PPC crash on boot > described at https://lore.kernel.org/all/YdxoXhTqCmVrT0R5@optiplex-fbsd/ > > Everything has worked like a charm, AFAICT. > > Thank you for letting me know about these patches, and thanks for > working on them as a follow-up to that problem reported by Nico. Thanks a lot for review and testing Rafael! -- Michal Hocko SUSE Labs