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X-CSE-ConnectionGUID: GEKlXKbpR8mQ7BA2/gwufg== X-CSE-MsgGUID: gTAue9EGTSm8GIFznpBY6w== X-IronPort-AV: E=McAfee;i="6800,10657,11711"; a="72944946" X-IronPort-AV: E=Sophos;i="6.21,310,1763452800"; d="scan'208";a="72944946" Received: from fmviesa002.fm.intel.com ([10.60.135.142]) by orvoesa111.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 25 Feb 2026 00:42:19 -0800 X-CSE-ConnectionGUID: +d6grE7tRrGqEWWdQVSWzA== X-CSE-MsgGUID: D6jp67O1RgOkTKHH2l8zYA== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,310,1763452800"; d="scan'208";a="239173621" Received: from lkp-server02.sh.intel.com (HELO a3936d6a266d) ([10.239.97.151]) by fmviesa002.fm.intel.com with ESMTP; 25 Feb 2026 00:42:18 -0800 Received: from kbuild by a3936d6a266d with local (Exim 4.98.2) (envelope-from ) id 1vvATH-000000004am-49E1; Wed, 25 Feb 2026 08:42:15 +0000 Date: Wed, 25 Feb 2026 16:41:28 +0800 From: kernel test robot To: SeongJae Park Cc: oe-kbuild-all@lists.linux.dev Subject: [sj:damon/next 106/145] mm/damon/core.c:3434:(.text.damon_set_region_system_rams_default+0x138): undefined reference to `__udivdi3' Message-ID: <202602251636.PpfZGJU3-lkp@intel.com> User-Agent: s-nail v14.9.25 Precedence: bulk X-Mailing-List: oe-kbuild-all@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: tree: https://git.kernel.org/pub/scm/linux/kernel/git/sj/linux.git damon/next head: 2f2b1e72c03fda4cb12c7027c47840d955d77820 commit: 38a56aedfeccddd0f844633d1b4c55e2e12c4258 [106/145] mm/damon/lru_sort: cover all system rams config: powerpc-randconfig-001-20260225 (https://download.01.org/0day-ci/archive/20260225/202602251636.PpfZGJU3-lkp@intel.com/config) compiler: powerpc-linux-gcc (GCC) 12.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260225/202602251636.PpfZGJU3-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/202602251636.PpfZGJU3-lkp@intel.com/ All errors (new ones prefixed by >>): powerpc-linux-ld: mm/damon/core.o: in function `damon_find_system_ram_range': >> mm/damon/core.c:3434:(.text.damon_set_region_system_rams_default+0x138): undefined reference to `__udivdi3' >> powerpc-linux-ld: mm/damon/core.c:3435:(.text.damon_set_region_system_rams_default+0x164): undefined reference to `__udivdi3' vim +3434 mm/damon/core.c 39d332af1ac7f3 SeongJae Park 2026-02-04 3425 39d332af1ac7f3 SeongJae Park 2026-02-04 3426 static bool damon_find_system_ram_range(unsigned long *start, 39d332af1ac7f3 SeongJae Park 2026-02-04 3427 unsigned long *end, unsigned long addr_unit) 39d332af1ac7f3 SeongJae Park 2026-02-04 3428 { 39d332af1ac7f3 SeongJae Park 2026-02-04 3429 struct damon_system_ram_range_walk_arg arg = {}; 39d332af1ac7f3 SeongJae Park 2026-02-04 3430 39d332af1ac7f3 SeongJae Park 2026-02-04 3431 walk_system_ram_res(0, -1, &arg, damon_system_ram_walk_fn); 39d332af1ac7f3 SeongJae Park 2026-02-04 3432 if (!arg.walked) 39d332af1ac7f3 SeongJae Park 2026-02-04 3433 return false; 39d332af1ac7f3 SeongJae Park 2026-02-04 @3434 *start = arg.res.start / addr_unit; 39d332af1ac7f3 SeongJae Park 2026-02-04 @3435 *end = (arg.res.end + 1) / addr_unit; 39d332af1ac7f3 SeongJae Park 2026-02-04 3436 return true; 39d332af1ac7f3 SeongJae Park 2026-02-04 3437 } 39d332af1ac7f3 SeongJae Park 2026-02-04 3438 :::::: The code at line 3434 was first introduced by commit :::::: 39d332af1ac7f38c3fee619718fa283995e6667c mm/damon/core: implement a function for setting all system rams as the target region :::::: TO: SeongJae Park :::::: CC: SeongJae Park -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki