* Re: [PATCH v2 4/5] memcg: add per-memcg ksm_profit
[not found] <20250914180750448qMRz3iTon78DoExPyZusD@zte.com.cn>
@ 2025-09-14 13:02 ` kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2025-09-14 13:02 UTC (permalink / raw)
To: xu.xin16, akpm
Cc: llvm, oe-kbuild-all, shakeel.butt, hannes, mhocko, roman.gushchin,
david, chengming.zhou, muchun.song, linux-kernel, linux-mm,
cgroups, xu.xin16
Hi,
kernel test robot noticed the following build errors:
[auto build test ERROR on akpm-mm/mm-everything]
[also build test ERROR on tj-cgroup/for-next linus/master v6.17-rc5 next-20250912]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]
url: https://github.com/intel-lab-lkp/linux/commits/xu-xin16-zte-com-cn/memcg-add-per-memcg-ksm_rmap_items-stat/20250914-181132
base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything
patch link: https://lore.kernel.org/r/20250914180750448qMRz3iTon78DoExPyZusD%40zte.com.cn
patch subject: [PATCH v2 4/5] memcg: add per-memcg ksm_profit
config: um-randconfig-001-20250914 (https://download.01.org/0day-ci/archive/20250914/202509142046.QatEaTQV-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 21857ae337e0892a5522b6e7337899caa61de2a6)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250914/202509142046.QatEaTQV-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/202509142046.QatEaTQV-lkp@intel.com/
All errors (new ones prefixed by >>):
/usr/bin/ld: warning: .tmp_vmlinux1 has a LOAD segment with RWX permissions
/usr/bin/ld: mm/ksm.o: in function `evaluate_memcg_ksm_stat':
>> mm/ksm.c:3335:(.ltext+0x163d): undefined reference to `ksm_process_profit'
clang: error: linker command failed with exit code 1 (use -v to see invocation)
vim +3335 mm/ksm.c
3324
3325 static int evaluate_memcg_ksm_stat(struct task_struct *task, void *arg)
3326 {
3327 struct mm_struct *mm;
3328 struct memcg_ksm_stat *ksm_stat = arg;
3329
3330 mm = get_task_mm(task);
3331 if (mm) {
3332 ksm_stat->ksm_rmap_items += mm->ksm_rmap_items;
3333 ksm_stat->ksm_zero_pages += mm_ksm_zero_pages(mm);
3334 ksm_stat->ksm_merging_pages += mm->ksm_merging_pages;
> 3335 ksm_stat->ksm_profit += ksm_process_profit(mm);
3336 mmput(mm);
3337 }
3338
3339 return 0;
3340 }
3341
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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