[ardb:module-combine-init-allocations 1/6] mm/execmem.c:525:17: error: implicit declaration of function 'execmem_set_direct_map_valid'

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/ardb/linux.git module-combine-init-allocations
head:   971ad17aef7db54eeb51f42d5fb415093b8ce5be
commit: 199c1b576bd83e93eb428181390a4f4cadae24b5 [1/6] mm: execmem: Introduce execmem_truncate()
config: s390-allnoconfig-bpf (https://download.01.org/0day-ci/archive/20260821/[email protected]/config)
compiler: s390x-linux-gnu-gcc (Debian 14.2.0-19) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260821/[email protected]/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 <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/

All errors (new ones prefixed by >>):

   mm/execmem.c: In function 'execmem_free':
>> mm/execmem.c:525:17: error: implicit declaration of function 'execmem_set_direct_map_valid' [-Wimplicit-function-declaration]
     525 |                 execmem_set_direct_map_valid(vm, true);
         |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/execmem_set_direct_map_valid +525 mm/execmem.c

   513	
   514	void execmem_free(void *ptr)
   515	{
   516		/*
   517		 * This memory may be RO, and freeing RO memory in an interrupt is not
   518		 * supported by vmalloc.
   519		 */
   520		WARN_ON(in_interrupt());
   521	
   522		if (!execmem_cache_free(ptr)) {
   523			struct vm_struct *vm = find_vm_area(ptr);
   524	
 > 525			execmem_set_direct_map_valid(vm, true);
   526			vfree(ptr);
   527		}
   528	}
   529	

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