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 398A9C3ABD8 for ; Mon, 19 May 2025 13:20:37 +0000 (UTC) Received: by kanga.kvack.org (Postfix) id 750B06B0093; Mon, 19 May 2025 09:20:33 -0400 (EDT) Received: by kanga.kvack.org (Postfix, from userid 40) id 701286B00D3; Mon, 19 May 2025 09:20:33 -0400 (EDT) X-Delivered-To: int-list-linux-mm@kvack.org Received: by kanga.kvack.org (Postfix, from userid 63042) id 578196B00D4; Mon, 19 May 2025 09:20:33 -0400 (EDT) X-Delivered-To: linux-mm@kvack.org Received: from relay.hostedemail.com (smtprelay0012.hostedemail.com [216.40.44.12]) by kanga.kvack.org (Postfix) with ESMTP id 3C6346B0093 for ; Mon, 19 May 2025 09:20:33 -0400 (EDT) Received: from smtpin05.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay02.hostedemail.com (Postfix) with ESMTP id F0980120620 for ; Mon, 19 May 2025 13:20:35 +0000 (UTC) X-FDA: 83459716830.05.07D6173 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.13]) by imf22.hostedemail.com (Postfix) with ESMTP id 0D0B2C0004 for ; Mon, 19 May 2025 13:20:32 +0000 (UTC) Authentication-Results: imf22.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=eqA2gDAy; spf=pass (imf22.hostedemail.com: domain of lkp@intel.com designates 192.198.163.13 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=hostedemail.com; s=arc-20220608; t=1747660834; 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: in-reply-to:in-reply-to:references:references:dkim-signature; bh=UJyjuNl9pxU1n8BNyGfPsQwhhnE2UJXY1b1TXvb6OT0=; b=0C0J4nTCoUurJ6epzHM9jIPX6lm/arrawVJK7XSP0OQYLhlNnCTYXkA83sD28fsORBs1eo 0PVeEM4ZYK5D0LpYqeRclvMbhsDwYLo3xq8BIJPU8G2Ktx7NYZRKIVpoWN0vEGvuDzEH5h 6Vk6DY47PywBz0p9HRG4taU6Zi2241U= ARC-Seal: i=1; s=arc-20220608; d=hostedemail.com; t=1747660834; a=rsa-sha256; cv=none; b=RTL1rC2xJxl1B/XEeHe5sgJC0V6Sqg3/PCqudOOT+LGABucCwtcyjMDtyOlmmucLBbggxp FWb4bse5D/EnTl3mNwqVX5KTT2n+nYMzaGBTzWoyy+HYfrB3RNxctVaSy9cPn/T/qwnNTg U5yQV8B8Q+25cVQYjtYii3pHjpf68+g= ARC-Authentication-Results: i=1; imf22.hostedemail.com; dkim=pass header.d=intel.com header.s=Intel header.b=eqA2gDAy; spf=pass (imf22.hostedemail.com: domain of lkp@intel.com designates 192.198.163.13 as permitted sender) smtp.mailfrom=lkp@intel.com; dmarc=pass (policy=none) header.from=intel.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1747660833; x=1779196833; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=9iouOGh3QjslBE1M2A6Y6TE92/zQWmx9Bc23waFCt4U=; b=eqA2gDAy1Bs7QtPvReHeBxnGA4hPXQzKFy1mjUFr0NQPOsts4h2l83+W 5xMHkwQva5M/AYrtD0A8gecSs9yQzALy95wQeglIMKdmHKhrH2Gs6XKp9 frMnmvLvouei94egOpsEzk7BeJ3klw4FiXIppS3AYLjk1YFKyOo1IMeiE p2Af6/5ZKd/N76dQAQr7NjRF0ZKovZjVZh5B8Ctqh1oUT3HQ8QKe6JAOt AwBu6P2uqZOEQ+/pgtoh59jYfIAsDBuiw5I/nmagKSg+ngmAxIpAmD+za 9O1d4TlsiYca+TkHVuyW4QXW8hFWj1JZEBFLWCr3tBAYT8APlXzcJC7/J Q==; X-CSE-ConnectionGUID: hqWqJhbzTIWK4tEj/xPGSA== X-CSE-MsgGUID: YAoduCWQT82oM5KqHX+CMQ== X-IronPort-AV: E=McAfee;i="6700,10204,11438"; a="52191861" X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="52191861" Received: from fmviesa006.fm.intel.com ([10.60.135.146]) by fmvoesa107.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 19 May 2025 06:20:31 -0700 X-CSE-ConnectionGUID: w/erx1NHSqmJhMrNaGbHVQ== X-CSE-MsgGUID: DEZHvtGbTIe3bNhcttCyoQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.15,300,1739865600"; d="scan'208";a="139268403" Received: from lkp-server01.sh.intel.com (HELO 1992f890471c) ([10.239.97.150]) by fmviesa006.fm.intel.com with ESMTP; 19 May 2025 06:20:28 -0700 Received: from kbuild by 1992f890471c with local (Exim 4.96) (envelope-from ) id 1uH0Pp-000LWa-25; Mon, 19 May 2025 13:20:25 +0000 Date: Mon, 19 May 2025 21:19:50 +0800 From: kernel test robot To: Lorenzo Stoakes , Andrew Morton Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, Linux Memory Management List , Alexander Viro , Christian Brauner , Jan Kara , "Liam R . Howlett" , Vlastimil Babka , Jann Horn , Pedro Falcato , David Hildenbrand , Xu Xin , Chengming Zhou , linux-kernel@vger.kernel.org, linux-fsdevel@vger.kernel.org Subject: Re: [PATCH 3/4] mm: prevent KSM from completely breaking VMA merging Message-ID: <202505192132.NsAm4haK-lkp@intel.com> References: <418d3edbec3a718a7023f1beed5478f5952fc3df.1747431920.git.lorenzo.stoakes@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <418d3edbec3a718a7023f1beed5478f5952fc3df.1747431920.git.lorenzo.stoakes@oracle.com> X-Rspamd-Server: rspam08 X-Rspamd-Queue-Id: 0D0B2C0004 X-Stat-Signature: szmfwofd85kygzdnhwarkjnq8ioqnxxk X-Rspam-User: X-HE-Tag: 1747660832-534066 X-HE-Meta: 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 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: List-Subscribe: List-Unsubscribe: Hi Lorenzo, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] url: https://github.com/intel-lab-lkp/linux/commits/Lorenzo-Stoakes/mm-ksm-have-KSM-VMA-checks-not-require-a-VMA-pointer/20250519-165315 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/418d3edbec3a718a7023f1beed5478f5952fc3df.1747431920.git.lorenzo.stoakes%40oracle.com patch subject: [PATCH 3/4] mm: prevent KSM from completely breaking VMA merging config: x86_64-buildonly-randconfig-001-20250519 (https://download.01.org/0day-ci/archive/20250519/202505192132.NsAm4haK-lkp@intel.com/config) compiler: clang version 20.1.2 (https://github.com/llvm/llvm-project 58df0ef89dd64126512e4ee27b4ac3fd8ddf6247) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250519/202505192132.NsAm4haK-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202505192132.NsAm4haK-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/vma.c:2589:15: error: call to undeclared function 'ksm_vma_flags'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2589 | map->flags = ksm_vma_flags(map->mm, map->file, map->flags); | ^ mm/vma.c:2761:10: error: call to undeclared function 'ksm_vma_flags'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 2761 | flags = ksm_vma_flags(mm, NULL, flags); | ^ 2 errors generated. vim +/ksm_vma_flags +2589 mm/vma.c 2586 2587 static void update_ksm_flags(struct mmap_state *map) 2588 { > 2589 map->flags = ksm_vma_flags(map->mm, map->file, map->flags); 2590 } 2591 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki