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=-6.1 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_1 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 8FD2AC433E1 for ; Wed, 29 Jul 2020 02:04:20 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 6FF1B20672 for ; Wed, 29 Jul 2020 02:04:20 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=fail reason="signature verification failed" (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="L8btYvGd" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730881AbgG2CER (ORCPT ); Tue, 28 Jul 2020 22:04:17 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58462 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728401AbgG2CEQ (ORCPT ); Tue, 28 Jul 2020 22:04:16 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ADD28C0619D2; Tue, 28 Jul 2020 19:04:16 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=ptZ4CaB+9ZPFK7eW316fU2oYVkH0yzLQ4pZT4nFsjOA=; b=L8btYvGdt15/+hqPaBMVifuHFP mj1IC0WwS/5cB699Ff1misVVzWwylEgRgEeikp3o/HEiq+IyuXdd6WoWiXKDbcNet35tUEacF9F+9 mTYW32EXz7eJ/JSPU2++z/q2bQfBo5prJ2CKpSn404aT0xYiDT1cZoVI4cZ1GREvWMq8SK5FNhqgv Lx/3DW/HMBwZBVDr0Rr7vmXvNb+UYGm6DsZZr5TKt+r2yhEvRq/kp4Jmg8cTkHauBvfjZeKgZL2CG SCwjA23ZuC+u/AqV2hlZ4HIYdHMxBYe7VnBlWw0ukpM+T48gLB8uyjhAHWYmM98XD1fqBBbKRt2bI LjM9hGDQ==; Received: from [2601:1c0:6280:3f0::19c2] by casper.infradead.org with esmtpsa (Exim 4.92.3 #3 (Red Hat Linux)) id 1k0bS1-0001A0-Q2; Wed, 29 Jul 2020 02:04:14 +0000 Subject: Re: mmotm 2020-07-27-18-18 uploaded (mm/page_alloc.c) To: Andrew Morton 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 References: <20200728011914.S-8vAYUK0%akpm@linux-foundation.org> <20200728145553.2a69fa2080de01922b3a74e0@linux-foundation.org> <048cef07-ad4b-8788-94a4-e144de731ab6@infradead.org> <20200728184419.4b137162844987c9199542bb@linux-foundation.org> From: Randy Dunlap Message-ID: Date: Tue, 28 Jul 2020 19:04:09 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200728184419.4b137162844987c9199542bb@linux-foundation.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org On 7/28/20 6:44 PM, Andrew Morton wrote: > 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. It's an x86_32 symbol and my config was for x86_64. > make mrproper > cp ~/config-randy .config > make oldconfig make ARCH=x86_64 oldconfig HTH. -- ~Randy