Re: [PATCH] mm: Outline copy_overflow()

[kernel test robot]

Hi Christophe,

I love your patch! Yet something to improve:

[auto build test ERROR on hnaz-mm/master]

url:    https://github.com/0day-ci/linux/commits/Christophe-Leroy/mm-Outline-copy_overflow/20220207-190441
base:   https://github.com/hnaz/linux-mm master
config: i386-randconfig-a013-20220207 (https://download.01.org/0day-ci/archive/20220207/202202072148.OAzMGrDo-lkp@xxxxxxxxx/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/2ae7547d08e23e529db61b3de0cb93879630a102
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Christophe-Leroy/mm-Outline-copy_overflow/20220207-190441
        git checkout 2ae7547d08e23e529db61b3de0cb93879630a102
        # save the config file to linux build tree
        mkdir build_dir
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "copy_overflow" [drivers/usb/gadget/function/usb_f_fs.ko] undefined!
>> ERROR: modpost: "copy_overflow" [drivers/scsi/sg.ko] undefined!

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0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx