tree: https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git slab-orders head: 93d25b5ac13e097b8c7274a7ca354d2a4d88d7ae commit: e036e48cc75073b52ea9ccf837574f95ad58604d [1/2] mm, slub: print out results for calculate_order() with varying parameters config: arm-randconfig-r046-20230812 (https://download.01.org/0day-ci/archive/20230812/202308121533.nX38oQSg-lkp@xxxxxxxxx/config) compiler: arm-linux-gnueabi-gcc (GCC) 12.3.0 reproduce: (https://download.01.org/0day-ci/archive/20230812/202308121533.nX38oQSg-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202308121533.nX38oQSg-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/asm-generic/bug.h:22, from arch/arm/include/asm/bug.h:60, from include/linux/bug.h:5, from include/linux/mmdebug.h:5, from include/linux/mm.h:6, from mm/slub.c:13: mm/slub.c: In function '__print_all_orders': >> include/linux/kern_levels.h:5:25: warning: format '%lu' expects argument of type 'long unsigned int', but argument 2 has type 'size_t' {aka 'unsigned int'} [-Wformat=] 5 | #define KERN_SOH "\001" /* ASCII Start Of Header */ | ^~~~~~ include/linux/printk.h:427:25: note: in definition of macro 'printk_index_wrap' 427 | _p_func(_fmt, ##__VA_ARGS__); \ | ^~~~ include/linux/printk.h:528:9: note: in expansion of macro 'printk' 528 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~ include/linux/kern_levels.h:14:25: note: in expansion of macro 'KERN_SOH' 14 | #define KERN_INFO KERN_SOH "6" /* informational */ | ^~~~~~~~ include/linux/printk.h:528:16: note: in expansion of macro 'KERN_INFO' 528 | printk(KERN_INFO pr_fmt(fmt), ##__VA_ARGS__) | ^~~~~~~~~ mm/slub.c:6262:17: note: in expansion of macro 'pr_info' 6262 | pr_info("%10lu\t%d\n", size, order); | ^~~~~~~ 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 :::::: The code at line 5 was first introduced by commit :::::: 04d2c8c83d0e3ac5f78aeede51babb3236200112 printk: convert the format for KERN_<LEVEL> to a 2 byte pattern :::::: TO: Joe Perches <joe@xxxxxxxxxxx> :::::: CC: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
