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=-10.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,MENTIONS_GIT_HOSTING, SPF_HELO_NONE,SPF_PASS,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 D5708C4338F for ; Tue, 27 Jul 2021 14:35:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B08C361AFF for ; Tue, 27 Jul 2021 14:35:43 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231975AbhG0Ofm (ORCPT ); Tue, 27 Jul 2021 10:35:42 -0400 Received: from outbound-smtp26.blacknight.com ([81.17.249.194]:36655 "EHLO outbound-smtp26.blacknight.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231466AbhG0Ofl (ORCPT ); Tue, 27 Jul 2021 10:35:41 -0400 Received: from mail.blacknight.com (pemlinmail01.blacknight.ie [81.17.254.10]) by outbound-smtp26.blacknight.com (Postfix) with ESMTPS id 43787CAEC8 for ; Tue, 27 Jul 2021 15:35:40 +0100 (IST) Received: (qmail 9215 invoked from network); 27 Jul 2021 14:35:40 -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); 27 Jul 2021 14:35:40 -0000 Date: Tue, 27 Jul 2021 15:35:38 +0100 From: Mel Gorman To: kernel test robot Cc: Linus Torvalds , Vlastimil Babka , Zi Yan , Dave Hansen , Michal Hocko , Jesper Dangaard Brouer , Andrew Morton , LKML , lkp@lists.01.org, lkp@intel.com Subject: Re: [mm/page_alloc] 44042b4498: WARNING:possible_recursive_locking_detected Message-ID: <20210727143538.GB3809@techsingularity.net> References: <20210727143136.GA27400@xsang-OptiPlex-9020> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-15 Content-Disposition: inline In-Reply-To: <20210727143136.GA27400@xsang-OptiPlex-9020> User-Agent: Mutt/1.10.1 (2018-07-13) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Jul 27, 2021 at 10:31:36PM +0800, kernel test robot wrote: > > > Greeting, > > FYI, we noticed the following commit (built with gcc-9): > > commit: 44042b4498728f4376e84bae1ac8016d146d850b ("mm/page_alloc: allow high-order pages to be stored on the per-cpu lists") > https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master > Does this warning happen after 187ad460b841 ("mm/page_alloc: avoid page allocator recursion with pagesets.lock held")? I ask because I see the stack_depot_save in the warning. -- Mel Gorman SUSE Labs