[jimc:dd-shrink-cached 62/64] lib/dynamic_debug.c:2146:9: error: implicit declaration of function 'arena_mas_lock'

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

tree:   https://github.com/jimc/linux.git dd-shrink-cached
head:   917ff2e5a74ae1c252ad3a2c9017bd464f9258f9
commit: 9ddeda37ca2aba5800b9bbc30e16a1db1ce44e5c [62/64] lib/arena_maple_tree: Specialized arena-backed maple tree
config: csky-randconfig-002-20260819 (https://download.01.org/0day-ci/archive/20260819/202608191355.jAUUOfC5-lkp@intel.com/config)
compiler: csky-linux-gcc (GCC) 11.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260819/202608191355.jAUUOfC5-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/202608191355.jAUUOfC5-lkp@intel.com/

All errors (new ones prefixed by >>):

   lib/dynamic_debug.c:112:20: warning: no previous prototype for 'ddebug_arena_alloc' [-Wmissing-prototypes]
     112 | struct maple_node *ddebug_arena_alloc(void *arena, gfp_t gfp)
         |                    ^~~~~~~~~~~~~~~~~~
   lib/dynamic_debug.c: In function 'ddebug_resolve_site':
   lib/dynamic_debug.c:408:9: error: implicit declaration of function 'arena_mas_init' [-Werror=implicit-function-declaration]
     408 |         arena_mas_init(&mas, mt, (unsigned long)dp);
         |         ^~~~~~~~~~~~~~
   lib/dynamic_debug.c:409:15: error: implicit declaration of function 'arena_mas_walk' [-Werror=implicit-function-declaration]
     409 |         val = arena_mas_walk(&mas);
         |               ^~~~~~~~~~~~~~
   lib/dynamic_debug.c:409:13: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     409 |         val = arena_mas_walk(&mas);
         |             ^
   lib/dynamic_debug.c:415:39: error: implicit declaration of function 'arena_mas_prev' [-Werror=implicit-function-declaration]
     415 |                         while ((val = arena_mas_prev(&mas, 0))) {
         |                                       ^~~~~~~~~~~~~~
   lib/dynamic_debug.c:415:37: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     415 |                         while ((val = arena_mas_prev(&mas, 0))) {
         |                                     ^
   lib/dynamic_debug.c: In function 'ddebug_store_tagged_range':
   lib/dynamic_debug.c:474:22: error: implicit declaration of function 'arena_mtree_store_range'; did you mean 'mtree_store_range'? [-Werror=implicit-function-declaration]
     474 |                 rc = arena_mtree_store_range(mt, first, last, (void *)name, GFP_KERNEL);
         |                      ^~~~~~~~~~~~~~~~~~~~~~~
         |                      mtree_store_range
   lib/dynamic_debug.c: In function 'ddebug_module_sites_clear':
>> lib/dynamic_debug.c:2146:9: error: implicit declaration of function 'arena_mas_lock' [-Werror=implicit-function-declaration]
    2146 |         arena_mas_lock(&mas);
         |         ^~~~~~~~~~~~~~
>> lib/dynamic_debug.c:2148:9: error: implicit declaration of function 'arena_mas_erase' [-Werror=implicit-function-declaration]
    2148 |         arena_mas_erase(&mas);
         |         ^~~~~~~~~~~~~~~
>> lib/dynamic_debug.c:2150:9: error: implicit declaration of function 'arena_mas_unlock' [-Werror=implicit-function-declaration]
    2150 |         arena_mas_unlock(&mas);
         |         ^~~~~~~~~~~~~~~~
   lib/dynamic_debug.c: In function 'ddebug_resolve_range':
   lib/dynamic_debug.c:2310:21: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    2310 |                 val = arena_mas_walk(&mas);
         |                     ^
   lib/dynamic_debug.c:2321:21: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    2321 |         while ((val = arena_mas_prev(&mas, 0))) {
         |                     ^
   lib/dynamic_debug.c:2336:23: error: implicit declaration of function 'arena_mas_next' [-Werror=implicit-function-declaration]
    2336 |         while ((val = arena_mas_next(&mas, ULONG_MAX))) {
         |                       ^~~~~~~~~~~~~~
   lib/dynamic_debug.c:2336:21: warning: assignment to 'void *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
    2336 |         while ((val = arena_mas_next(&mas, ULONG_MAX))) {
         |                     ^
   lib/dynamic_debug.c: In function 'ddebug_shrinker_scan':
   lib/dynamic_debug.c:2429:17: error: implicit declaration of function 'arena___mt_destroy' [-Werror=implicit-function-declaration]
    2429 |                 arena___mt_destroy(&dd_modules_site_map.mt);
         |                 ^~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/arena_mas_lock +2146 lib/dynamic_debug.c

  2131	
  2132	/*
  2133	 * Called in response to a module being unloaded.  Removes
  2134	 * any ddebug_table's which point at the module.
  2135	 */
  2136	static void ddebug_module_sites_clear(struct ddebug_table *dt)
  2137	{
  2138		unsigned long start = (unsigned long) dt->info.descs.start;
  2139		unsigned long end = (unsigned long) &dt->info.descs.start[dt->info.descs.len - 1];
  2140	
  2141		MA_STATE(mas, &dd_modules_site_map.mt, start - DD_KEY_MOD_OFFSET, end);
  2142	
  2143		v2pr_info("clearing %3d debugs of removed module %s\n",
  2144			  dt->info.descs.len, dt->info.mod_name);
  2145	
> 2146		arena_mas_lock(&mas);
  2147		current_ddebug_write_tree = &dd_modules_site_map.mt;
> 2148		arena_mas_erase(&mas);
  2149		current_ddebug_write_tree = NULL;
> 2150		arena_mas_unlock(&mas);
  2151	
  2152		if (dt->compressed_sites) {
  2153			vfree(dt->compressed_sites);
  2154			dt->compressed_sites = NULL;
  2155		}
  2156	}
  2157	

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