Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the working set

Re: [PATCH] mm/vmscan: add sysctl knobs for protecting the working set

[kernel test robot]

Hi Alexey,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on d58071a8a76d779eedab38033ae4c821c30295a5]

url:    https://github.com/0day-ci/linux/commits/Alexey-Avramov/mm-vmscan-add-sysctl-knobs-for-protecting-the-working-set/20211130-191905
base:   d58071a8a76d779eedab38033ae4c821c30295a5
config: hexagon-randconfig-r045-20211129 (https://download.01.org/0day-ci/archive/20211201/202112010030.e6d9vIAL-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project 25eb7fa01d7ebbe67648ea03841cda55b4239ab2)
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/54324d9a29319c86d63a3bb17d401c90f547f9c1
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Alexey-Avramov/mm-vmscan-add-sysctl-knobs-for-protecting-the-working-set/20211130-191905
        git checkout 54324d9a29319c86d63a3bb17d401c90f547f9c1
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=hexagon SHELL=/bin/bash

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

All errors (new ones prefixed by >>):

>> mm/vmscan.c:183:54: error: use of undeclared identifier 'CONFIG_ANON_MIN_KBYTES'
   unsigned long sysctl_anon_min_kbytes __read_mostly = CONFIG_ANON_MIN_KBYTES;
                                                        ^
>> mm/vmscan.c:184:55: error: use of undeclared identifier 'CONFIG_CLEAN_LOW_KBYTES'
   unsigned long sysctl_clean_low_kbytes __read_mostly = CONFIG_CLEAN_LOW_KBYTES;
                                                         ^
>> mm/vmscan.c:185:55: error: use of undeclared identifier 'CONFIG_CLEAN_MIN_KBYTES'
   unsigned long sysctl_clean_min_kbytes __read_mostly = CONFIG_CLEAN_MIN_KBYTES;
                                                         ^
   3 errors generated.


vim +/CONFIG_ANON_MIN_KBYTES +183 mm/vmscan.c

   182	
 > 183	unsigned long sysctl_anon_min_kbytes __read_mostly = CONFIG_ANON_MIN_KBYTES;
 > 184	unsigned long sysctl_clean_low_kbytes __read_mostly = CONFIG_CLEAN_LOW_KBYTES;
 > 185	unsigned long sysctl_clean_min_kbytes __read_mostly = CONFIG_CLEAN_MIN_KBYTES;
   186	

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