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X-CSE-ConnectionGUID: I6a2qz9PS46FGC2MuFvfgw== X-CSE-MsgGUID: Ooj04lXbRuGoFLEFtFrzQQ== X-IronPort-AV: E=McAfee;i="6800,10657,11683"; a="96100236" X-IronPort-AV: E=Sophos;i="6.21,255,1763452800"; d="scan'208";a="96100236" 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 10:49:27 -0800 X-CSE-ConnectionGUID: lV6W8uJ5TOq52Cdv2LsI7Q== X-CSE-MsgGUID: GVy41TOAS/q2/EtW8G/9PQ== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,255,1763452800"; d="scan'208";a="207361133" 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-00000000Xay-3k1R; Mon, 26 Jan 2026 18:49:22 +0000 Date: Tue, 27 Jan 2026 02:48:44 +0800 From: kernel test robot To: mpenttil@redhat.com, linux-mm@kvack.org Cc: 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: <202601270203.n7gikUG0-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-005-20260126 (https://download.01.org/0day-ci/archive/20260127/202601270203.n7gikUG0-lkp@intel.com/config) compiler: gcc-14 (Debian 14.2.0-19) 14.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260127/202601270203.n7gikUG0-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/202601270203.n7gikUG0-lkp@intel.com/ All errors (new ones prefixed by >>): mm/hmm.c: In function 'hmm_vma_capture_migrate_range': >> mm/hmm.c:927:37: error: 'struct mmu_notifier_range' has no member named 'owner' 927 | if (!hmm_vma_walk->mmu_range.owner) { | ^ mm/hmm.c: In function 'hmm_range_fault': mm/hmm.c:1343:38: error: implicit declaration of function 'mmu_interval_check_retry' [-Wimplicit-function-declaration] 1343 | if (is_fault_path && mmu_interval_check_retry(range->notifier, | ^~~~~~~~~~~~~~~~~~~~~~~~ mm/hmm.c:1361:35: error: 'struct mmu_notifier_range' has no member named 'owner' 1361 | hmm_vma_walk.mmu_range.owner) { | ^ 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