Re: [RFC 6/7] mm: record the numbers of memory allocation throttle

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

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Hi,

[FYI, it's a private test report for your RFC patch.]
[auto build test ERROR on linus/master]
[also build test ERROR on v5.13-rc3]
[cannot apply to hnaz-linux-mm/master next-20210526]
[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/yulei-kernel-gmail-com/Introduce-memory-allocation-speed-throttle-in-memcg/20210527-002103
base:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git ad9f25d338605d26acedcaf3ba5fab5ca26f1c10
config: x86_64-randconfig-s022-20210526 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-341-g8af24329-dirty
        # https://github.com/0day-ci/linux/commit/9ae850a0a4c9f5b03c8673b0bbe10344c637b4ec
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review yulei-kernel-gmail-com/Introduce-memory-allocation-speed-throttle-in-memcg/20210527-002103
        git checkout 9ae850a0a4c9f5b03c8673b0bbe10344c637b4ec
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' W=1 ARCH=x86_64 

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/memcontrol.c:1611:13: error: redefinition of 'mem_cgroup_mst_spd_throttle'
    1611 | static void mem_cgroup_mst_spd_throttle(struct mem_cgroup *memcg)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   mm/memcontrol.c:1607:13: note: previous definition of 'mem_cgroup_mst_spd_throttle' was here
    1607 | static void mem_cgroup_mst_spd_throttle(struct mem_cgroup *memcg)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   mm/memcontrol.c: In function 'memcg_stat_show':
>> mm/memcontrol.c:4157:2: error: implicit declaration of function 'mem_cgroup_mst_show_nr_throttled'; did you mean 'mem_cgroup_mst_spd_throttle'? [-Werror=implicit-function-declaration]
    4157 |  mem_cgroup_mst_show_nr_throttled(memcg, m);
         |  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
         |  mem_cgroup_mst_spd_throttle
   At top level:
   mm/memcontrol.c:1607:13: warning: 'mem_cgroup_mst_spd_throttle' defined but not used [-Wunused-function]
    1607 | static void mem_cgroup_mst_spd_throttle(struct mem_cgroup *memcg)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/mem_cgroup_mst_spd_throttle +1611 mm/memcontrol.c

  1610	
> 1611	static void mem_cgroup_mst_spd_throttle(struct mem_cgroup *memcg)
  1612	{
  1613	}
  1614	

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

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