On Fri, Oct 02, 2020 at 08:08:40AM +0800, kbuild test robot wrote: > Hi Roman, > > Thank you for the patch! Yet something to improve: > > [auto build test ERROR on mmotm/master] It's a bogus error, the patch was applied onto mmotm/master, which doesn't contain necessary slab controller patches. Thanks! > > url: https://github.com/0day-ci/linux/commits/Roman-Gushchin/mm-memcg-slab-fix-slab-statistics-in-SMP-configuration/20201002-044114 > base: git://git.cmpxchg.org/linux-mmotm.git master > config: i386-randconfig-s002-20200930 (attached as .config) > compiler: gcc-9 (Debian 9.3.0-15) 9.3.0 > reproduce: > # apt-get install sparse > # sparse version: v0.6.2-201-g24bdaac6-dirty > # https://github.com/0day-ci/linux/commit/3e4248734433fea1624e4971258042af2f231e02 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Roman-Gushchin/mm-memcg-slab-fix-slab-statistics-in-SMP-configuration/20201002-044114 > git checkout 3e4248734433fea1624e4971258042af2f231e02 > # save the attached .config to linux build tree > make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' 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 >>): > > In file included from include/linux/mm.h:1317, > from include/linux/memcontrol.h:20, > from include/linux/swap.h:9, > from include/linux/suspend.h:5, > from arch/x86/kernel/asm-offsets.c:13: > include/linux/vmstat.h: In function '__mod_node_page_state': > >> include/linux/vmstat.h:295:6: error: implicit declaration of function 'vmstat_item_in_bytes' [-Werror=implicit-function-declaration] > 295 | if (vmstat_item_in_bytes(item)) { > | ^~~~~~~~~~~~~~~~~~~~ > cc1: some warnings being treated as errors > make[2]: *** [scripts/Makefile.build:99: arch/x86/kernel/asm-offsets.s] Error 1 > make[2]: Target '__build' not remade because of errors. > make[1]: *** [Makefile:1139: prepare0] Error 2 > make[1]: Target 'prepare' not remade because of errors. > make: *** [Makefile:179: sub-make] Error 2 > make: Target 'prepare' not remade because of errors. > > vim +/vmstat_item_in_bytes +295 include/linux/vmstat.h > > 291 > 292 static inline void __mod_node_page_state(struct pglist_data *pgdat, > 293 enum node_stat_item item, int delta) > 294 { > > 295 if (vmstat_item_in_bytes(item)) { > 296 VM_WARN_ON_ONCE(delta & (PAGE_SIZE - 1)); > 297 delta >>= PAGE_SHIFT; > 298 } > 299 > 300 node_page_state_add(delta, pgdat, item); > 301 } > 302 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://urldefense.proofpoint.com/v2/url?u=https-3A__lists.01.org_hyperkitty_list_kbuild-2Dall-40lists.01.org&d=DwIBAg&c=5VD0RTtNlTh3ycd41b3MUw&r=jJYgtDM7QT-W-Fz_d29HYQ&m=a91mqnAqjcA0iLpnhkpBXCmVqE_BuOIny-YmkB8jp2U&s=4EiiISKLS8YORtIb2rqP7oxVeqhBmKzMHqJzWhDAuMw&e=