Messages in this thread | | | Date | Fri, 2 Jul 2021 07:11:23 +0800 | From | kernel test robot <> | Subject | Re: [patch 3/5] mm: vmstat: optionally flush per-CPU vmstat counters on return to userspace |
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Hi Marcelo,
Thank you for the patch! Yet something to improve:
[auto build test ERROR on tip/sched/core] [also build test ERROR on tip/master linus/master v5.13 next-20210701] [cannot apply to hnaz-linux-mm/master tip/core/entry] [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/Marcelo-Tosatti/optionally-sync-per-CPU-vmstats-counter-on-return-to-userspace/20210702-050826 base: https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git 031e3bd8986fffe31e1ddbf5264cccfe30c9abd7 config: i386-tinyconfig (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/b973a70c0670675073265d2cbee70a36bda3273e git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Marcelo-Tosatti/optionally-sync-per-CPU-vmstats-counter-on-return-to-userspace/20210702-050826 git checkout b973a70c0670675073265d2cbee70a36bda3273e # save the attached .config 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@intel.com>
All errors (new ones prefixed by >>):
ld: kernel/entry/common.o: in function `syscall_exit_to_user_mode_work': >> common.c:(.text+0x1d8): undefined reference to `vmstat_sync_enabled' >> ld: common.c:(.text+0x1e1): undefined reference to `__sync_vmstat' ld: kernel/entry/common.o: in function `syscall_exit_to_user_mode': >> common.c:(.noinstr.text+0x71): undefined reference to `vmstat_sync_enabled' >> ld: common.c:(.noinstr.text+0x7a): undefined reference to `__sync_vmstat'
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