Re: [PATCH v2] mm/slub: initialize stack depot in boot process

From: kernel test robot
Date: Tue Mar 01 2022 - 02:01:46 EST


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
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