From: kernel test robot <lkp@intel.com>
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 Penttilä" <mpenttil@redhat.com>,
"David Hildenbrand" <david@redhat.com>,
"Jason Gunthorpe" <jgg@nvidia.com>,
"Leon Romanovsky" <leonro@nvidia.com>,
"Alistair Popple" <apopple@nvidia.com>,
"Balbir Singh" <balbirs@nvidia.com>, "Zi Yan" <ziy@nvidia.com>,
"Matthew Brost" <matthew.brost@intel.com>
Subject: Re: [PATCH v2 1/3] mm: unified hmm fault and migrate device pagewalk paths
Date: Tue, 20 Jan 2026 04:31:26 +0800 [thread overview]
Message-ID: <202601200418.y3IajnfX-lkp@intel.com> (raw)
In-Reply-To: <20260119112502.645059-2-mpenttil@redhat.com>
Hi,
kernel test robot noticed the following build errors:
[auto build test ERROR on 24d479d26b25bce5faea3ddd9fa8f3a6c3129ea7]
url: https://github.com/intel-lab-lkp/linux/commits/mpenttil-redhat-com/mm-unified-hmm-fault-and-migrate-device-pagewalk-paths/20260119-193100
base: 24d479d26b25bce5faea3ddd9fa8f3a6c3129ea7
patch link: https://lore.kernel.org/r/20260119112502.645059-2-mpenttil%40redhat.com
patch subject: [PATCH v2 1/3] mm: unified hmm fault and migrate device pagewalk paths
config: x86_64-kexec (https://download.01.org/0day-ci/archive/20260120/202601200418.y3IajnfX-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/20260120/202601200418.y3IajnfX-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 <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202601200418.y3IajnfX-lkp@intel.com/
All errors (new ones prefixed by >>):
>> ld.lld: error: undefined symbol: hmm_range_fault
>>> referenced by migrate_device.c:774 (mm/migrate_device.c:774)
>>> vmlinux.o:(migrate_vma_setup)
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next prev parent reply other threads:[~2026-01-19 20:32 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-01-19 11:24 [PATCH v2 0/3] Migrate on fault for device pages mpenttil
2026-01-19 11:25 ` [PATCH v2 1/3] mm: unified hmm fault and migrate device pagewalk paths mpenttil
2026-01-19 20:31 ` kernel test robot [this message]
2026-01-20 6:29 ` Dan Carpenter
2026-01-20 16:03 ` Matthew Brost
2026-01-21 8:05 ` Mika Penttilä
2026-01-19 11:25 ` [PATCH v2 2/3] mm: add new testcase for the migrate on fault case mpenttil
2026-01-19 11:25 ` [PATCH v2 3/3] mm:/migrate_device.c: remove migrate_vma_collect_*() functions mpenttil
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