On 2021/7/5 22:10, kernel test robot wrote:
Hi Kefeng,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on next-20210701]
url: https://github.com/0day-ci/linux/commits/Kefeng-Wang/arm64-support-page-mapping-percpu-first-chunk-allocator/20210705-190907
base: fb0ca446157a86b75502c1636b0d81e642fe6bf1
config: i386-randconfig-a015-20210705 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce (this is a W=1 build):
# https://github.com/0day-ci/linux/commit/5f6b5a402ed3e390563ddbddf12973470fd4886d
git remote add linux-review https://github.com/0day-ci/linux
git fetch --no-tags linux-review Kefeng-Wang/arm64-support-page-mapping-percpu-first-chunk-allocator/20210705-190907
git checkout 5f6b5a402ed3e390563ddbddf12973470fd4886d
# save the attached .config to linux build tree
make W=1 ARCH=i386
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>
All errors (new ones prefixed by >>):
mm/vmalloc.c: In function 'vm_area_register_early':
mm/vmalloc.c:2252:2: error: implicit declaration of function 'kasan_populate_early_vm_area_shadow' [-Werror=implicit-function-declaration]
should add a stub function when KASAN is not enabled, thanks.
2252 | kasan_populate_early_vm_area_shadow(vm->addr, vm->size);
| ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: some warnings being treated as errors
vim +/kasan_populate_early_vm_area_shadow +2252 mm/vmalloc.c