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: arc-randconfig-002-20260112 (https://download.01.org/0day-ci/archive/20260112/[email protected]/config) compiler: arc-linux-gcc (GCC) 8.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260112/[email protected]/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 <[email protected]> | Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/ All warnings (new ones prefixed by >>): In file included from include/asm-generic/bug.h:31, from arch/arc/include/asm/bug.h:30, from include/linux/bug.h:5, from include/linux/slab.h:15, from kernel/fork.c:16: kernel/fork.c: In function 'check_mm': >> include/linux/kern_levels.h:5:18: warning: format '%ld' expects argument of >> type 'long int', but argument 4 has type 'int' [-Wformat=] #define KERN_SOH "\001" /* ASCII Start Of Header */ ^~~~~~ include/linux/printk.h:483:11: note: in definition of macro 'printk_index_wrap' _p_func(_fmt, ##__VA_ARGS__); \ ^~~~ include/linux/printk.h:534:2: note: in expansion of macro 'printk' printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~ include/linux/kern_levels.h:9:20: note: in expansion of macro 'KERN_SOH' #define KERN_ALERT KERN_SOH "1" /* action must be taken immediately */ ^~~~~~~~ include/linux/printk.h:534:9: note: in expansion of macro 'KERN_ALERT' printk(KERN_ALERT pr_fmt(fmt), ##__VA_ARGS__) ^~~~~~~~~~ kernel/fork.c:635:4: note: in expansion of macro 'pr_alert' pr_alert("BUG: Bad rss-counter state mm:%p type:%s val:%ld Comm:%s Pid:%d\n", ^~~~~~~~ kernel/fork.c:635:61: note: format string is defined here pr_alert("BUG: Bad rss-counter state mm:%p type:%s val:%ld Comm:%s Pid:%d\n", ~~^ %d vim +5 include/linux/kern_levels.h 314ba3520e513a Joe Perches 2012-07-30 4 04d2c8c83d0e3a Joe Perches 2012-07-30 @5 #define KERN_SOH "\001" /* ASCII Start Of Header */ 04d2c8c83d0e3a Joe Perches 2012-07-30 6 #define KERN_SOH_ASCII '\001' 04d2c8c83d0e3a Joe Perches 2012-07-30 7 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
