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U2FsdGVkX1+aOnmGxxw7CpSzLfd0u9bAqOw3MzF6J80E9bY9uWyxc4nQmhHfj216AzRhXicC3Kihcyc8m+tHLs6mqpVdjyW//xLqY3hbh4WCuXimq2P5NYSVqynaz3/JxmRx5abO8TaM1g+zuxNEXfS9Vwu9u05W1CswuRPT3bhALtuut64Y/gTGB28SDlPEU2dRFKCFkKgbVnYJKDdn2anf7ipWhC+5M0TE0suLU1p37GNbbkB5CVLoqGkVGEYyxjCquMmTCGH87vCemHsuNmjS6+UkoS4tui7CnpWd+T3cuIJ5DICyCqQWFlopElNxs57RBppe5cvaZzd4BlAVd9gzRNJlfvxx0AlFNTpNLsqPQul+KL+0X6G2Ts1bUkV1Gkir6WuvpEoB8GvHOiPvUCMMw+B0mHLvWP8c486F7NVEdeYmOj+dTO/A+V2rUraT5VRvqPYInmldMLdTStDFMfRwCjQEn5r80DqcOsGasnVOeiaH5LnLD7XVrglRdimQmi71PbrJDMBqXiOPUKKb4T5mnAEsQo22uGqVIbV6mw16o+LWFv35c4WOR6qRuaWFirV1p/nfIt4qU7DZsnjHq4wyFuBbUlT+hzKKjn+fQthc0v39dwPIKjlpP0YYkBQw1uNgl6Kxt9ExDR9bSD7FiYZiZTshI1gyIIlqXV4AOp5UsLUyAcK77WeCdz1EFtInnXPfDsf91kXGfdNZJtpdQwovFDQjcz9CLeYA1scsNuHvRrxUyLL9Yly0uP8XasE3ei/GheK/z/5fWiNdxrBzt2Ilc6xua9Pd6w8Nec4a48N/mCqmApglrryuUWHhyIEf9U/KFVg5PjJbztmAFf+g3VoJ7Ilf3HZadOcO88iXFd3yOpnxA0Mh3a0bZe0eOCdsRgVGsNx2XorEEOh/HT7zH68H84y8IBcyPyaK+epAMpUwPfT/O8c6brQaBviWyeVVqKHA289XOJqhVQCYhUN +OVN/wFw 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 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: On 2026-01-11 13:03, kernel test robot wrote: > Hi Mathieu, > > kernel test robot noticed the following build warnings: > > [auto build test WARNING on next-20260109] > [cannot apply to akpm-mm/mm-everything kees/for-next/execve tip/sched/core linus/master v6.19-rc4 v6.19-rc3 v6.19-rc2 v6.19-rc4] > [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/Mathieu-Desnoyers/lib-Introduce-hierarchical-per-cpu-counters/20260111-231206 > base: next-20260109 > patch link: https://lore.kernel.org/r/20260111150249.1222944-4-mathieu.desnoyers%40efficios.com > patch subject: [PATCH v12 3/3] mm: Implement precise OOM killer task selection > config: arm-randconfig-001-20260112 (https://download.01.org/0day-ci/archive/20260112/202601120124.RK3AWOwu-lkp@intel.com/config) > compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9b8addffa70cee5b2acc5454712d9cf78ce45710) > reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260112/202601120124.RK3AWOwu-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/202601120124.RK3AWOwu-lkp@intel.com/ > > All warnings (new ones prefixed by >>): > >>> kernel/fork.c:637:6: warning: format specifies type 'long' but the argument has type 'int' [-Wformat] > 635 | pr_alert("BUG: Bad rss-counter state mm:%p type:%s val:%ld Comm:%s Pid:%d\n", > | ~~~ > | %d > 636 | mm, resident_page_types[i], > 637 | percpu_counter_tree_precise_sum(&mm->rss_stat[i]), > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ > include/linux/printk.h:534:35: note: expanded from macro 'pr_alert' > 534 | printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) > | ~~~ ^~~~~~~~~~~ > include/linux/printk.h:511:60: note: expanded from macro 'printk' > 511 | #define printk(fmt, ...) printk_index_wrap(_printk, fmt, ##__VA_ARGS__) > | ~~~ ^~~~~~~~~~~ > include/linux/printk.h:483:19: note: expanded from macro 'printk_index_wrap' > 483 | _p_func(_fmt, ##__VA_ARGS__); \ > | ~~~~ ^~~~~~~~~~~ > 1 warning generated. That's percpu_counter_tree_precise_sum which needs to return a "long". Will fix. > -- >>> mm/oom_kill.c:351:6: warning: variable 'points_min' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] > 351 | if (oom_task_origin(task)) { > | ^~~~~~~~~~~~~~~~~~~~~ > mm/oom_kill.c:392:22: note: uninitialized use occurs here > 392 | oc->chosen_points = points_min; > | ^~~~~~~~~~ > mm/oom_kill.c:351:2: note: remove the 'if' if its condition is always false > 351 | if (oom_task_origin(task)) { > | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~ > 352 | points = LONG_MAX; I need to change this to "points_min = LONG_MAX". Will fix. Thanks, Mathieu -- Mathieu Desnoyers EfficiOS Inc. https://www.efficios.com