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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id D6460C001E0 for ; Wed, 26 Jul 2023 09:47:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233299AbjGZJrW convert rfc822-to-8bit (ORCPT ); Wed, 26 Jul 2023 05:47:22 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32900 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229814AbjGZJrU (ORCPT ); Wed, 26 Jul 2023 05:47:20 -0400 Received: from eu-smtp-delivery-151.mimecast.com (eu-smtp-delivery-151.mimecast.com [185.58.86.151]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 727FEBC for ; Wed, 26 Jul 2023 02:47:18 -0700 (PDT) Received: from AcuMS.aculab.com (156.67.243.121 [156.67.243.121]) by relay.mimecast.com with ESMTP with both STARTTLS and AUTH (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384) id uk-mta-287-FtAxNye8P7C75kYr0fZLXg-1; Wed, 26 Jul 2023 10:47:15 +0100 X-MC-Unique: FtAxNye8P7C75kYr0fZLXg-1 Received: from AcuMS.Aculab.com (10.202.163.6) by AcuMS.aculab.com (10.202.163.6) with Microsoft SMTP Server (TLS) id 15.0.1497.48; Wed, 26 Jul 2023 10:47:13 +0100 Received: from AcuMS.Aculab.com ([::1]) by AcuMS.aculab.com ([::1]) with mapi id 15.00.1497.048; Wed, 26 Jul 2023 10:47:13 +0100 From: David Laight To: 'kernel test robot' , "linux-kernel@vger.kernel.org" , 'Andy Shevchenko' , 'Andrew Morton' , "Matthew Wilcox (Oracle)" , Christoph Hellwig , "Jason A. Donenfeld" CC: "llvm@lists.linux.dev" , "oe-kbuild-all@lists.linux.dev" , "Linux Memory Management List" Subject: RE: [PATCH next 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness. Thread-Topic: [PATCH next 2/5] minmax: Allow min()/max()/clamp() if the arguments have the same signedness. Thread-Index: Adm+2wKUQ5yQ6t/FR+W/hRy2DuErJQAJNLOAAClusXA= Date: Wed, 26 Jul 2023 09:47:13 +0000 Message-ID: <39d5316ee16e4588af888d68b77fdba1@AcuMS.aculab.com> References: <454f967d452548a9acfa7c0a0872507e@AcuMS.aculab.com> <202307252241.W1SwUDKu-lkp@intel.com> In-Reply-To: <202307252241.W1SwUDKu-lkp@intel.com> Accept-Language: en-GB, en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.202.205.107] MIME-Version: 1.0 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: aculab.com Content-Language: en-US Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: kernel test robot > Sent: 25 July 2023 15:57 ... > >> mm/mm_init.c:908:14: error: static_assert expression is not an integral constant expression > start_pfn = clamp(start_pfn, zone_start_pfn, zone_end_pfn); .. > include/linux/minmax.h:45:17: note: expanded from macro '__clamp_once' > static_assert(!__is_constexpr((lo) > (hi)) || (lo) <= (hi), That didn't fail in my test builds. The compiler I was using must short-circuited the ||. I'll substitute a 'choose_expr' in v2. David - Registered Address Lakeside, Bramley Road, Mount Farm, Milton Keynes, MK1 1PT, UK Registration No: 1397386 (Wales)