tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 988c7111f1e95028838eb8e4f71ee49b45132a23 commit: 425771499c0742a996ab28df143d7a5123102686 [2403/2942] mm: mem_reliable: Introduce proc interface to disable memory reliable features config: arm64-randconfig-003-20240205 (https://download.01.org/0day-ci/archive/20240205/202402050528.e210gDbs-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240205/202402050528.e210gDbs-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/202402050528.e210gDbs-lkp@intel.com/

All warnings (new ones prefixed by >>):

mm/mem_reliable.c: In function 'mem_reliable_feature_disable': mm/mem_reliable.c:345:9: error: implicit declaration of function 'mem_reliable_ctrl_bit_disable'; did you mean 'mem_reliable_ctrl_bit_disabled'? [-Werror=implicit-function-declaration] 345 | mem_reliable_ctrl_bit_disable(idx); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | mem_reliable_ctrl_bit_disabled mm/mem_reliable.c: At top level:

...

mm/mem_reliable.c:320:13: warning: 'mem_reliable_ctrl_bit_disabled' defined but not used [-Wunused-function]

320 | static void mem_reliable_ctrl_bit_disabled(int idx) {} | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: some warnings being treated as errors

vim +/mem_reliable_ctrl_bit_disabled +320 mm/mem_reliable.c

302 303 static int __init reliable_sysctl_init(void) 304 { 305 if (!mem_reliable_is_enabled()) 306 return 0; 307 308 if (!register_sysctl("vm", reliable_ctl_table)) { 309 pr_err("register sysctl failed."); 310 return -ENOMEM; 311 } 312 313 percpu_counter_init(&pagecache_reliable_pages, 0, GFP_KERNEL); 314 percpu_counter_init(&anon_reliable_pages, 0, GFP_KERNEL); 315 316 return 0; 317 } 318 arch_initcall(reliable_sysctl_init); 319 #else

320 static void mem_reliable_ctrl_bit_disabled(int idx) {}

321 #endif 322