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 23DE9C433EF for ; Sun, 3 Jul 2022 20:22:13 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 145686B0072; Sun, 3 Jul 2022 16:22:13 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 0F5528E0002; Sun, 3 Jul 2022 16:22:13 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id EFDC98E0001; Sun, 3 Jul 2022 16:22:12 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0014.hostedemail.com [216.40.44.14]) by kanga.kvack.org (Postfix) with ESMTP id DD0C36B0072 for ; Sun, 3 Jul 2022 16:22:12 -0400 (EDT) Received: from smtpin09.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay01.hostedemail.com (Postfix) with ESMTP id B4698617CD for ; Sun, 3 Jul 2022 20:22:12 +0000 (UTC) X-FDA: 79646910504.09.32A6374 Received: from dfw.source.kernel.org (dfw.source.kernel.org [139.178.84.217]) by imf07.hostedemail.com (Postfix) with ESMTP id 3F57640013 for ; Sun, 3 Jul 2022 20:22:12 +0000 (UTC) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 3464461198; Sun, 3 Jul 2022 20:22:11 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 30D47C341C6; Sun, 3 Jul 2022 20:22:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linux-foundation.org; s=korg; t=1656879730; bh=b7K9m4fAbOcD/g/S4tQDp1ZmghJk5cmGd/KRtIjljGQ=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=p+7atuoFLRz41Z8H+eTqkdcbHwZnwumlQ1AWOimYmR38ojVc+aLWaJBkxcw6ZtEpK kLOTEKxAKT86zjXJ+qYblT+rFnep6XCt4zouaVHHDMyM0n0Lvy6oZ5RTjHn3jwdncN wbPLV/2PpZNOZFhg43PM3xIInGVM9ASZBGvCYZ5U= Date: Sun, 3 Jul 2022 13:22:09 -0700 From: Andrew Morton To: kernel test robot Cc: Mel Gorman , 0day robot , LKML , linux-mm@kvack.org, lkp@lists.01.org, Nicolas Saenz Julienne , Marcelo Tosatti , Vlastimil Babka , Michal Hocko , Hugh Dickins Subject: Re: [mm/page_alloc] 2bd8eec68f: BUG:sleeping_function_called_from_invalid_context_at_mm/gup.c Message-Id: <20220703132209.875b823d1cb7169a8d51d56d@linux-foundation.org> In-Reply-To: References: <20220613125622.18628-8-mgorman@techsingularity.net> X-Mailer: Sylpheed 3.7.0 (GTK+ 2.24.33; x86_64-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit ARC-Authentication-Results: i=1; imf07.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=p+7atuoF; dmarc=none; spf=pass (imf07.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1656879732; a=rsa-sha256; cv=none; b=7g6Vs6d5UyUGT5830gEMGrL5O73xTkKUJweuXNvGiB4qqAtc0AAs+y4WOYwtbcfEVy8+Tn 1YUvQby6EAH21SwqBRyBLY1srojqa7Cvou5zZOwXiR/wH421wMm/EBDpjlveToRTM43N1Z AKzvfX9zS96qWxVBDQLQBagZJn5bw1M= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1656879732; h=from:from:sender:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references:dkim-signature; bh=Mx3s1MyytQl5Dt9HryZV+0UCnF/0Ew+9wKkNtAiC9nk=; b=kqG/+KPqc3o43Z2PjfGyXiLxzzy3zjBYT2INUQq4P9WuNpTcQzAECJMhHOWFpikhrxMhkX Mq7clbdu/B0Of9ZiqQAIYkN8tza3T675lXvpX6IgTRMCp4EYo9CWuWfyB/XELKjsy//L6T XA1hQQHRykedjKiQkV6Kfxrvg0iNfbM= X-Stat-Signature: zkoy1738pmsswoo9f6igr5h99rypqmbn X-Rspamd-Queue-Id: 3F57640013 Authentication-Results: imf07.hostedemail.com; dkim=pass header.d=linux-foundation.org header.s=korg header.b=p+7atuoF; dmarc=none; spf=pass (imf07.hostedemail.com: domain of akpm@linux-foundation.org designates 139.178.84.217 as permitted sender) smtp.mailfrom=akpm@linux-foundation.org X-Rspam-User: X-Rspamd-Server: rspam11 X-HE-Tag: 1656879732-154991 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 Sun, 3 Jul 2022 17:44:30 +0800 kernel test robot wrote: > FYI, we noticed the following commit (built with gcc-11): > > commit: 2bd8eec68f740608db5ea58ecff06965228764cb ("[PATCH 7/7] mm/page_alloc: Replace local_lock with normal spinlock") > url: https://github.com/intel-lab-lkp/linux/commits/Mel-Gorman/Drain-remote-per-cpu-directly/20220613-230139 > base: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git b13baccc3850ca8b8cccbf8ed9912dbaa0fdf7f3 > patch link: https://lore.kernel.org/lkml/20220613125622.18628-8-mgorman@techsingularity.net > Did this test include the followup patch mm-page_alloc-replace-local_lock-with-normal-spinlock-fix.patch? From: Mel Gorman Subject: mm/page_alloc: replace local_lock with normal spinlock -fix Date: Mon, 27 Jun 2022 09:46:45 +0100 As noted by Yu Zhao, use pcp_spin_trylock_irqsave instead of pcpu_spin_trylock_irqsave. This is a fix to the mm-unstable patch mm-page_alloc-replace-local_lock-with-normal-spinlock.patch Link: https://lkml.kernel.org/r/20220627084645.GA27531@techsingularity.net Signed-off-by: Mel Gorman Reported-by: Yu Zhao Signed-off-by: Andrew Morton --- mm/page_alloc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/mm/page_alloc.c~mm-page_alloc-replace-local_lock-with-normal-spinlock-fix +++ a/mm/page_alloc.c @@ -3497,7 +3497,7 @@ void free_unref_page(struct page *page, zone = page_zone(page); pcp_trylock_prepare(UP_flags); - pcp = pcpu_spin_trylock_irqsave(struct per_cpu_pages, lock, zone->per_cpu_pageset, flags); + pcp = pcp_spin_trylock_irqsave(zone->per_cpu_pageset, flags); if (pcp) { free_unref_page_commit(zone, pcp, page, migratetype, order); pcp_spin_unlock_irqrestore(pcp, flags); _