Re: [PATCH V2 2/2] mm/migration: Add trace events for base page and HugeTLB migrations

[kernel test robot <lkp@intel.com>]

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-Add-trace-events/20220125-110944
base:    e783362eb54cd99b2cac8b3a9aeac942e6f6ac07
config: i386-randconfig-a012-20211214 (https://download.01.org/0day-ci/archive/20220125/202201251948.RMGoyUiL-lkp@intel.com/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/f1100840c009fceb20d26ac4564c9d4c9c23c729
        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@intel.com>

All errors (new ones prefixed by >>):

   ld: mm/rmap.o: in function `arch_atomic_read':
>> arch/x86/include/asm/atomic.h:29: undefined reference to `__tracepoint_set_migration_pte'
   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  

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