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@i...) 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@i...) 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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