From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.7]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id D71EC25487B for ; Mon, 26 Jan 2026 18:49:29 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.7 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769453371; cv=none; b=bI+M/JVG5Wwh9s9Im3m5HciXVmhzRIAHC1uAQ1Yt5RZPBe2Igjvwob1BOlBmHPDzVcZMuqkuVWifrEaX7t80ODTR3LUxnOvv2Gdep9m5J9hbb7eyevIMiDolqSZGrZDLFH7WOEpho30U8CmtcNQyI5kKOw3vDbx6GiLf4uXPzJk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1769453371; c=relaxed/simple; bh=SXbUQi/mPjILsJLm7/839nCdVVFUVngbGnAYOD7YVNs=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cIArJOdCgVcMhxqL6v/tgG1dw70hOKl+CVxfX4moGPuuOEkKA+cmf4S7K7Ef6Au1YvfHNWSlX9kvKoW8VYW9IAzkIL8hUa+XZYyganadLgvvZRYVu8bzuWjFsqAm/DuFHfDV+nHlGkFApr950kHMuSQs7kOMXJMOc+21tjByMNc= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=A9NfY0pN; arc=none smtp.client-ip=192.198.163.7 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="A9NfY0pN" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1769453369; x=1800989369; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=SXbUQi/mPjILsJLm7/839nCdVVFUVngbGnAYOD7YVNs=; b=A9NfY0pNx7osoxhLJnwthgXmL1vuAt0Ym9mU7xvpowGuAylyvN+v6Vx/ bhYWKLry//YQhPsmu1qBNCtbMqLuKnPD7fei90gb2jrSNSfKjP1a562xL ivtDShwvuOrtFhp5JYFfn3FRLdZVbMF0HlvrP4hq2VkoCjakcnHHU5evZ g3BoRq9ELRjU6Y1p4vuR5tYZkw1AoUK1lmseo/ysNtV+m9cQGECAwMrmF XNSiZVdrUUZAtwoPapwqAEgbZDDPrIh+7f2TAe9+Oxq26qp5WrwRhhG13 zVUa3AW/8PF1E4QMTN7NzxrV9VngA+Xk3bxoy4l0+ZXPKQPJ59kbXuUsq A==; X-CSE-ConnectionGUID: TIJLzYUzR4mUS4uB8y0BJQ== X-CSE-MsgGUID: MAvqMMRgSe+J6zdBb6q2/g== X-IronPort-AV: E=McAfee;i="6800,10657,11683"; a="96100245" X-IronPort-AV: E=Sophos;i="6.21,255,1763452800"; d="scan'208";a="96100245" Received: from fmviesa007.fm.intel.com ([10.60.135.147]) by fmvoesa101.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 26 Jan 2026 10:49:28 -0800 X-CSE-ConnectionGUID: Ec9Xcv1mReqcQU5/+wEU7g== X-CSE-MsgGUID: RY3/mLDzQ1Smoy4+ign3qw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,255,1763452800"; d="scan'208";a="207361135" Received: from lkp-server01.sh.intel.com (HELO 765f4a05e27f) ([10.239.97.150]) by fmviesa007.fm.intel.com with ESMTP; 26 Jan 2026 10:49:25 -0800 Received: from kbuild by 765f4a05e27f with local (Exim 4.98.2) (envelope-from ) id 1vkReM-00000000Xaw-3Vju; Mon, 26 Jan 2026 18:49:22 +0000 Date: Tue, 27 Jan 2026 02:48:43 +0800 From: kernel test robot To: mpenttil@redhat.com, linux-mm@kvack.org Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Mika =?iso-8859-1?Q?Penttil=E4?= , David Hildenbrand , Jason Gunthorpe , Leon Romanovsky , Alistair Popple , Balbir Singh , Zi Yan , Matthew Brost Subject: Re: [PATCH v3 1/3] mm: unified hmm fault and migrate device pagewalk paths Message-ID: <202601270202.cL2IcE86-lkp@intel.com> References: <20260126111939.1332983-2-mpenttil@redhat.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20260126111939.1332983-2-mpenttil@redhat.com> Hi, kernel test robot noticed the following build errors: [auto build test ERROR on 63804fed149a6750ffd28610c5c1c98cce6bd377] url: https://github.com/intel-lab-lkp/linux/commits/mpenttil-redhat-com/mm-unified-hmm-fault-and-migrate-device-pagewalk-paths/20260126-192236 base: 63804fed149a6750ffd28610c5c1c98cce6bd377 patch link: https://lore.kernel.org/r/20260126111939.1332983-2-mpenttil%40redhat.com patch subject: [PATCH v3 1/3] mm: unified hmm fault and migrate device pagewalk paths config: x86_64-randconfig-013-20260126 (https://download.01.org/0day-ci/archive/20260127/202601270202.cL2IcE86-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260127/202601270202.cL2IcE86-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/202601270202.cL2IcE86-lkp@intel.com/ All errors (new ones prefixed by >>): >> mm/hmm.c:927:31: error: no member named 'owner' in 'struct mmu_notifier_range' 927 | if (!hmm_vma_walk->mmu_range.owner) { | ~~~~~~~~~~~~~~~~~~~~~~~ ^ mm/hmm.c:1343:24: error: call to undeclared function 'mmu_interval_check_retry'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration] 1343 | if (is_fault_path && mmu_interval_check_retry(range->notifier, | ^ mm/hmm.c:1361:29: error: no member named 'owner' in 'struct mmu_notifier_range' 1361 | hmm_vma_walk.mmu_range.owner) { | ~~~~~~~~~~~~~~~~~~~~~~ ^ 3 errors generated. vim +927 mm/hmm.c 906 907 static int hmm_vma_capture_migrate_range(unsigned long start, 908 unsigned long end, 909 struct mm_walk *walk) 910 { 911 struct hmm_vma_walk *hmm_vma_walk = walk->private; 912 struct hmm_range *range = hmm_vma_walk->range; 913 914 if (!hmm_select_migrate(range)) 915 return 0; 916 917 if (hmm_vma_walk->vma && (hmm_vma_walk->vma != walk->vma)) 918 return -ERANGE; 919 920 hmm_vma_walk->vma = walk->vma; 921 hmm_vma_walk->start = start; 922 hmm_vma_walk->end = end; 923 924 if (end - start > range->end - range->start) 925 return -ERANGE; 926 > 927 if (!hmm_vma_walk->mmu_range.owner) { 928 mmu_notifier_range_init_owner(&hmm_vma_walk->mmu_range, MMU_NOTIFY_MIGRATE, 0, 929 walk->vma->vm_mm, start, end, 930 range->dev_private_owner); 931 mmu_notifier_invalidate_range_start(&hmm_vma_walk->mmu_range); 932 } 933 934 return 0; 935 } 936 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki