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=-4.8 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no 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 575FAC433DF for ; Wed, 29 Jul 2020 01:44:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 2A04920656 for ; Wed, 29 Jul 2020 01:44:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595987061; bh=WGU+RwgUDV1Np4h4picpfMVw+HoxLK7aOFBh58G7DpU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=VaeWqMyjnpGh+MQRHuCW83GJQVSfEvAFQ2R24SWbeQ04/nai4bZNpvGdk6Kkvs3MX Z2N9MyhZ8b5WILd1wLUXsf4SgWjQMW7s1zCLlD64/wSL/bItR4KrDxO7qVypK7V9/B fvfgldcavj6fll1glsutHBEFI+ah7z1ZvaxYm/8w= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730353AbgG2BoU (ORCPT ); Tue, 28 Jul 2020 21:44:20 -0400 Received: from mail.kernel.org ([198.145.29.99]:50238 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730207AbgG2BoU (ORCPT ); Tue, 28 Jul 2020 21:44:20 -0400 Received: from localhost.localdomain (c-73-231-172-41.hsd1.ca.comcast.net [73.231.172.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id A23A62076E; Wed, 29 Jul 2020 01:44:19 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1595987060; bh=WGU+RwgUDV1Np4h4picpfMVw+HoxLK7aOFBh58G7DpU=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=nneT/uOCq8J+xa61cFEtSgzI3t0O9XNtf3cRni7FxwDYiNfvmSyCN8isbVM+OcMd3 r9Z1z7FOrh0ABsM6rZpyBwP1JbscCy92SvO7m4Sopc825sj3dkqnYHEsWIHqTqeePh jnVV67kmT15wDMBA1iWFRRQjzvqqrZ4e+iVDVjq0= Date: Tue, 28 Jul 2020 18:44:19 -0700 From: Andrew Morton To: Randy Dunlap Cc: broonie@kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, linux-next@vger.kernel.org, mhocko@suse.cz, mm-commits@vger.kernel.org, sfr@canb.auug.org.au Subject: Re: mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c) Message-Id: <20200728184419.4b137162844987c9199542bb@linux-foundation.org> In-Reply-To: <048cef07-ad4b-8788-94a4-e144de731ab6@infradead.org> References: <20200728011914.S-8vAYUK0%akpm@linux-foundation.org> <20200728145553.2a69fa2080de01922b3a74e0@linux-foundation.org> <048cef07-ad4b-8788-94a4-e144de731ab6@infradead.org> X-Mailer: Sylpheed 3.5.1 (GTK+ 2.24.31; x86_64-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-next-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-next@vger.kernel.org On Tue, 28 Jul 2020 15:39:21 -0700 Randy Dunlap wrote: > On 7/28/20 2:55 PM, Andrew Morton wrote: > > On Tue, 28 Jul 2020 05:33:58 -0700 Randy Dunlap wrote: > > > >> On 7/27/20 6:19 PM, Andrew Morton wrote: > >>> The mm-of-the-moment snapshot 2020-07-27-18-18 has been uploaded to > >>> > >>> http://www.ozlabs.org/~akpm/mmotm/ > > > >> on x86_64: > >> > >> ../mm/page_alloc.c:8355:48: warning: ‘struct compact_control’ declared inside parameter list will not be visible outside of this definition or declaration > >> static int __alloc_contig_migrate_range(struct compact_control *cc, > >> ^~~~~~~~~~~~~~~ > > > > As is usually the case with your reports, I can't figure out how to > > reproduce it. I copy then .config, run `make oldconfig' (need to hit > > enter a zillion times because the .config is whacky) then the build > > succeeds. What's the secret? > > I was not aware that there was a problem. cp .config and make oldconfig > should be sufficient -- and I don't understand why you would need to hit > enter many times. > > I repeated this on my system without having to answer any oldconfig prompts > and still got build errors. > > There is no secret that I know of, but it would be good to get to the > bottom of this problem. Well the first thing I hit was Support for big SMP systems with more than 8 CPUs (X86_BIGSMP) [N/y/?] (NEW) and your .config doesn't mention that. make mrproper cp ~/config-randy .config make oldconfig