Hi Anshuman, Thank you for the patch! Yet something to improve: [auto build test ERROR on v5.17-rc1] [also build test ERROR on next-20220124] [cannot apply to hnaz-mm/master rostedt-trace/for-next] [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/Anshuman-Khandual/mm-migration-A... base: e783362eb54cd99b2cac8b3a9aeac942e6f6ac07 config: i386-randconfig-a012-20211214 (https://download.01.org/0day-ci/archive/20220125/202201251948.RMGoyUiL-lk...) 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/f1100840c009fceb20d26ac4564c9d4c9... git remote add linux-review https://github.com/0day-ci/linux git fetch --no-tags linux-review Anshuman-Khandual/mm-migration-Add-trace-events/20220125-110944 git checkout f1100840c009fceb20d26ac4564c9d4c9c23c729 # 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(a)intel.com&gt; All errors (new ones prefixed by >>): ld: mm/rmap.o: in function `arch_atomic_read': ld: mm/rmap.o: in function `trace_set_migration_pte': include/trace/events/migrate.h:129: undefined reference to `__tracepoint_set_migration_pte' ld: include/trace/events/migrate.h:129: undefined reference to `__tracepoint_set_migration_pte' ld: include/trace/events/migrate.h:129: undefined reference to `__SCT__tp_func_set_migration_pte' vim +29 arch/x86/include/asm/atomic.h 5abbbbf0b0cd4a Brian Gerst 2010-01-07 11 5abbbbf0b0cd4a Brian Gerst 2010-01-07 12 /* 5abbbbf0b0cd4a Brian Gerst 2010-01-07 13 * Atomic operations that C can't guarantee us. Useful for 5abbbbf0b0cd4a Brian Gerst 2010-01-07 14 * resource counting etc.. 5abbbbf0b0cd4a Brian Gerst 2010-01-07 15 */ 5abbbbf0b0cd4a Brian Gerst 2010-01-07 16 5abbbbf0b0cd4a Brian Gerst 2010-01-07 17 /** 8bf705d130396e Dmitry Vyukov 2018-01-29 18 * arch_atomic_read - read atomic variable 5abbbbf0b0cd4a Brian Gerst 2010-01-07 19 * @v: pointer of type atomic_t 5abbbbf0b0cd4a Brian Gerst 2010-01-07 20 * 5abbbbf0b0cd4a Brian Gerst 2010-01-07 21 * Atomically reads the value of @v. 5abbbbf0b0cd4a Brian Gerst 2010-01-07 22 */ 8bf705d130396e Dmitry Vyukov 2018-01-29 23 static __always_inline int arch_atomic_read(const atomic_t *v) 5abbbbf0b0cd4a Brian Gerst 2010-01-07 24 { ac605bee0bfab4 Dmitry Vyukov 2018-01-29 25 /* ac605bee0bfab4 Dmitry Vyukov 2018-01-29 26 * Note for KASAN: we deliberately don't use READ_ONCE_NOCHECK() here, ac605bee0bfab4 Dmitry Vyukov 2018-01-29 27 * it's non-inlined function that increases binary size and stack usage. ac605bee0bfab4 Dmitry Vyukov 2018-01-29 28 */ 37f8173dd84936 Peter Zijlstra 2020-01-24 @29 return __READ_ONCE((v)->counter); 5abbbbf0b0cd4a Brian Gerst 2010-01-07 30 } 5abbbbf0b0cd4a Brian Gerst 2010-01-07 31 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org