[akpm-mm:mm-new 195/196] mm/zblock.c:369:33: error: initialization of 'int (*)(void *, size_t, gfp_t, long unsigned int *, const int)' {aka 'int (*)(void *, unsigned int, unsigned int, long unsigned int *, const int)'} from incompatible pointer type 'int (*)(void *, size_t, ...

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

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-new
head:   13ef12753ee527caca620af5ab72ef6249c20622
commit: 40d54ac31c6e801d94f2563158650b69c15fbf82 [195/196] mm: add zblock allocator
config: m68k-allmodconfig (https://download.01.org/0day-ci/archive/20250416/202504161606.b5FstdkD-lkp@intel.com/config)
compiler: m68k-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250416/202504161606.b5FstdkD-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/202504161606.b5FstdkD-lkp@intel.com/

All errors (new ones prefixed by >>):

>> mm/zblock.c:369:33: error: initialization of 'int (*)(void *, size_t,  gfp_t,  long unsigned int *, const int)' {aka 'int (*)(void *, unsigned int,  unsigned int,  long unsigned int *, const int)'} from incompatible pointer type 'int (*)(void *, size_t,  gfp_t,  long unsigned int *)' {aka 'int (*)(void *, unsigned int,  unsigned int,  long unsigned int *)'} [-Wincompatible-pointer-types]
     369 |         .malloc =               zblock_zpool_malloc,
         |                                 ^~~~~~~~~~~~~~~~~~~
   mm/zblock.c:369:33: note: (near initialization for 'zblock_zpool_driver.malloc')


vim +369 mm/zblock.c

   363	
   364	static struct zpool_driver zblock_zpool_driver = {
   365		.type =			"zblock",
   366		.owner =		THIS_MODULE,
   367		.create =		zblock_zpool_create,
   368		.destroy =		zblock_zpool_destroy,
 > 369		.malloc =		zblock_zpool_malloc,
   370		.free =			zblock_zpool_free,
   371		.obj_read_begin =	zblock_zpool_read_begin,
   372		.obj_read_end =		zblock_zpool_read_end,
   373		.obj_write =		zblock_zpool_obj_write,
   374		.total_pages =		zblock_zpool_total_pages,
   375	};
   376	

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