Hi Hyeonggon, Thank you for the patch! Yet something to improve: [auto build test ERROR on vbabka/slub-stackdepot-v1] [also build test ERROR on linus/master v5.17-rc6 next-20220228] [cannot apply to hnaz-mm/master] [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] url: https://github.com/0day-ci/linux/commits/Hyeonggon-Yoo/mm-slub-initialize-stack-depot-in-boot-process/20220301-113825 base: https://git.kernel.org/pub/scm/linux/kernel/git/vbabka/linux.git slub-stackdepot-v1 config: m68k-randconfig-r014-20220301 (https://download.01.org/0day-ci/archive/20220301/202203011429.a87fKdU7-lkp@xxxxxxxxx/config) compiler: m68k-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://github.com/0day-ci/linux/commit/dd9dbeec7444b13b510dc4a863e9593d1799f965 git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Hyeonggon-Yoo/mm-slub-initialize-stack-depot-in-boot-process/20220301-113825 git checkout dd9dbeec7444b13b510dc4a863e9593d1799f965 # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=m68k SHELL=/bin/bash arch/m68k/coldfire/ mm/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@xxxxxxxxx> All error/warnings (new ones prefixed by >>): In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:17, from ./arch/m68k/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:9, from arch/m68k/kernel/asm-offsets.c:16: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/irq.h:21, from arch/m68k/coldfire/vectors.c:14: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ arch/m68k/coldfire/vectors.c:43:13: warning: no previous prototype for 'trap_init' [-Wmissing-prototypes] 43 | void __init trap_init(void) | ^~~~~~~~~ -- In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:17, from ./arch/m68k/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from arch/m68k/coldfire/intc-simr.c:16: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ arch/m68k/coldfire/intc-simr.c:177:13: warning: no previous prototype for 'init_IRQ' [-Wmissing-prototypes] 177 | void __init init_IRQ(void) | ^~~~~~~~ -- In file included from include/linux/irq.h:21, from include/linux/gpio/driver.h:7, from arch/m68k/coldfire/gpio.c:12: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ arch/m68k/coldfire/gpio.c:19:5: warning: no previous prototype for '__mcfgpio_get_value' [-Wmissing-prototypes] 19 | int __mcfgpio_get_value(unsigned gpio) | ^~~~~~~~~~~~~~~~~~~ arch/m68k/coldfire/gpio.c:25:6: warning: no previous prototype for '__mcfgpio_set_value' [-Wmissing-prototypes] 25 | void __mcfgpio_set_value(unsigned gpio, int value) | ^~~~~~~~~~~~~~~~~~~ arch/m68k/coldfire/gpio.c:50:5: warning: no previous prototype for '__mcfgpio_direction_input' [-Wmissing-prototypes] 50 | int __mcfgpio_direction_input(unsigned gpio) | ^~~~~~~~~~~~~~~~~~~~~~~~~ arch/m68k/coldfire/gpio.c:65:5: warning: no previous prototype for '__mcfgpio_direction_output' [-Wmissing-prototypes] 65 | int __mcfgpio_direction_output(unsigned gpio, int value) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ arch/m68k/coldfire/gpio.c:96:5: warning: no previous prototype for '__mcfgpio_request' [-Wmissing-prototypes] 96 | int __mcfgpio_request(unsigned gpio) | ^~~~~~~~~~~~~~~~~ arch/m68k/coldfire/gpio.c:102:6: warning: no previous prototype for '__mcfgpio_free' [-Wmissing-prototypes] 102 | void __mcfgpio_free(unsigned gpio) | ^~~~~~~~~~~~~~ -- In file included from include/linux/stackdepot.h:15, from include/linux/page_ext.h:7, from include/linux/mm.h:25, from mm/page_alloc.c:19: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ mm/page_alloc.c:3820:15: warning: no previous prototype for 'should_fail_alloc_page' [-Wmissing-prototypes] 3820 | noinline bool should_fail_alloc_page(gfp_t gfp_mask, unsigned int order) | ^~~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/stackdepot.h:15, from include/linux/page_ext.h:7, from include/linux/mm.h:25, from mm/page_poison.c:4: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ mm/page_poison.c:102:6: warning: no previous prototype for '__kernel_map_pages' [-Wmissing-prototypes] 102 | void __kernel_map_pages(struct page *page, int numpages, int enable) | ^~~~~~~~~~~~~~~~~~ -- In file included from include/linux/stackdepot.h:15, from include/linux/page_ext.h:7, from include/linux/mm.h:25, from mm/slub.c:13: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ >> mm/slub.c:651:5: error: redefinition of 'slab_stack_depot_init' 651 | int slab_stack_depot_init(void) | ^~~~~~~~~~~~~~~~~~~~~ In file included from include/linux/stackdepot.h:15, from include/linux/page_ext.h:7, from include/linux/mm.h:25, from mm/slub.c:13: include/linux/slab.h:769:5: note: previous definition of 'slab_stack_depot_init' with type 'int(void)' 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ -- In file included from include/linux/irq.h:21, from include/asm-generic/hardirq.h:17, from ./arch/m68k/include/generated/asm/hardirq.h:1, from include/linux/hardirq.h:11, from include/linux/interrupt.h:11, from include/linux/kernel_stat.h:9, from arch/m68k/kernel/asm-offsets.c:16: >> include/linux/slab.h:769:5: warning: no previous prototype for 'slab_stack_depot_init' [-Wmissing-prototypes] 769 | int slab_stack_depot_init(void) { return 0; } | ^~~~~~~~~~~~~~~~~~~~~ vim +/slab_stack_depot_init +651 mm/slub.c 650 > 651 int slab_stack_depot_init(void) 652 { 653 if (init_stack_depot) 654 stack_depot_init(); 655 return 0; 656 } 657 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
