[openeuler:openEuler-1.0-LTS 1341/1341] mm/share_pool.c:2121:12: warning: 'proc_stat_show' defined but not used

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

Hi Ding,

FYI, the error/warning still remains.

tree:   https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS
head:   02951ceaa6d546dfa0f741f52f6d47e0fb0ac7b4
commit: 4a280fac30d27ae2aff096f9f99aa12d50f83426 [1341/1341] ascend: share_pool: support share pool features for ascend platform
config: arm64-randconfig-003-20241220 (https://download.01.org/0day-ci/archive/20241220/202412201455.A4yCBFrP-lkp@intel.com/config)
compiler: aarch64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241220/202412201455.A4yCBFrP-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202412201455.A4yCBFrP-lkp@intel.com/

All warnings (new ones prefixed by >>):

   mm/share_pool.c:2235:12: warning: 'spa_stat_show' defined but not used [-Wunused-function]
    2235 | static int spa_stat_show(struct seq_file *seq, void *offset)
         |            ^~~~~~~~~~~~~
>> mm/share_pool.c:2121:12: warning: 'proc_stat_show' defined but not used [-Wunused-function]
    2121 | static int proc_stat_show(struct seq_file *seq, void *offset)
         |            ^~~~~~~~~~~~~~
   mm/share_pool.c:1069: warning: Function parameter or member 'size' not described in 'sp_alloc'
   mm/share_pool.c:1069: warning: Function parameter or member 'sp_flags' not described in 'sp_alloc'
   mm/share_pool.c:1069: warning: Function parameter or member 'spg_id' not described in 'sp_alloc'
   mm/share_pool.c:1582: warning: Function parameter or member 'uva' not described in '__sp_walk_page_range'
   mm/share_pool.c:1582: warning: Function parameter or member 'size' not described in '__sp_walk_page_range'
   mm/share_pool.c:1582: warning: Function parameter or member 'tsk' not described in '__sp_walk_page_range'
   mm/share_pool.c:1582: warning: Function parameter or member 'sp_walk_data' not described in '__sp_walk_page_range'
   mm/share_pool.c:1931: warning: Function parameter or member 'uva' not described in 'sp_walk_page_range'
   mm/share_pool.c:1931: warning: Function parameter or member 'size' not described in 'sp_walk_page_range'
   mm/share_pool.c:1931: warning: Function parameter or member 'tsk' not described in 'sp_walk_page_range'
   mm/share_pool.c:1931: warning: Function parameter or member 'sp_walk_data' not described in 'sp_walk_page_range'


vim +/proc_stat_show +2121 mm/share_pool.c

  2120	
> 2121	static int proc_stat_show(struct seq_file *seq, void *offset)
  2122	{
  2123		/* print the file header */
  2124		seq_printf(seq, "%-12s %-10s %-18s\n",
  2125			   "Process ID", "Group ID", "Aligned Apply(KB)");
  2126		/* print kthread buff_module_guard_work */
  2127		seq_printf(seq, "%-12s %-10s %-18ld\n",
  2128			   "guard", "-", byte2kb(kthread_stat.amount));
  2129		idr_for_each(&sp_stat_idr, idr_proc_stat_cb, seq);
  2130		return 0;
  2131	}
  2132	

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