From: kernel test robot <lkp@intel.com>
To: SeongJae Park <sj@kernel.org>
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'
Date: Wed, 25 Feb 2026 16:41:28 +0800 [thread overview]
Message-ID: <202602251636.PpfZGJU3-lkp@intel.com> (raw)
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 <lkp@intel.com>
| 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 <sj@kernel.org>
:::::: CC: SeongJae Park <sj@kernel.org>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2026-02-25 8:42 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-02-25 8:41 kernel test robot [this message]
2026-02-25 15:54 ` [sj:damon/next 106/145] mm/damon/core.c:3434:(.text.damon_set_region_system_rams_default+0x138): undefined reference to `__udivdi3' SeongJae Park
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