tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 230c2b30f879859ac3e9d3cc46407a9dbb103160 commit: eb761d6521c32c006a4987260394a61c6684fb35 [1597/1597] mm: parallelize deferred struct page initialization within each node config: arm64-randconfig-002-20250429 (https://download.01.org/0day-ci/archive/20250429/202504290808.iYcj1P8f-lkp@i...) compiler: aarch64-linux-gcc (GCC) 11.5.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250429/202504290808.iYcj1P8f-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/202504290808.iYcj1P8f-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/page_alloc.c:69: mm/page_alloc.c: In function 'deferred_init_memmap':

...

include/linux/ktask.h:123:35: warning: cast between incompatible function types from 'int (*)(long unsigned int, long unsigned int, struct deferred_args *)' to 'int (*)(void *, void *, void *)' [-Wcast-function-type] 123 | .kc_thread_func = (ktask_thread_func)(thread_func), \ | ^ include/linux/ktask.h:139:17: note: in expansion of macro 'KTASK_CTL_INITIALIZER' 139 | KTASK_CTL_INITIALIZER(thread_func, func_arg, min_chunk_size) \ | ^~~~~~~~~~~~~~~~~~~~~ mm/page_alloc.c:1645:17: note: in expansion of macro 'DEFINE_KTASK_CTL' 1645 | DEFINE_KTASK_CTL(ctl, deferred_init_chunk, &args, | ^~~~~~~~~~~~~~~~ include/linux/ktask.h:123:35: warning: cast between incompatible function types from 'int (*)(long unsigned int, long unsigned int, struct deferred_args *)' to 'int (*)(void *, void *, void *)' [-Wcast-function-type] 123 | .kc_thread_func = (ktask_thread_func)(thread_func), \ | ^ include/linux/ktask.h:139:17: note: in expansion of macro 'KTASK_CTL_INITIALIZER' 139 | KTASK_CTL_INITIALIZER(thread_func, func_arg, min_chunk_size) \ | ^~~~~~~~~~~~~~~~~~~~~ mm/page_alloc.c:1661:17: note: in expansion of macro 'DEFINE_KTASK_CTL' 1661 | DEFINE_KTASK_CTL(ctl, deferred_free_chunk, &args, | ^~~~~~~~~~~~~~~~

vim +123 include/linux/ktask.h c48676ef6b6f9c Daniel Jordan 2019-08-14 120 c48676ef6b6f9c Daniel Jordan 2019-08-14 121 #define KTASK_CTL_INITIALIZER(thread_func, func_arg, min_chunk_size) \ c48676ef6b6f9c Daniel Jordan 2019-08-14 122 { \ c48676ef6b6f9c Daniel Jordan 2019-08-14 @123 .kc_thread_func = (ktask_thread_func)(thread_func), \ 69cc5b58cc50d2 Daniel Jordan 2019-08-14 124 .kc_undo_func = NULL, \ c48676ef6b6f9c Daniel Jordan 2019-08-14 125 .kc_func_arg = (func_arg), \ c48676ef6b6f9c Daniel Jordan 2019-08-14 126 .kc_min_chunk_size = (min_chunk_size), \ c48676ef6b6f9c Daniel Jordan 2019-08-14 127 .kc_iter_func = (ktask_iter_range), \ c48676ef6b6f9c Daniel Jordan 2019-08-14 128 .kc_max_threads = 0, \ c48676ef6b6f9c Daniel Jordan 2019-08-14 129 } c48676ef6b6f9c Daniel Jordan 2019-08-14 130 :::::: The code at line 123 was first introduced by commit :::::: c48676ef6b6f9cb8497d6264ae9ff71b87630337 ktask: multithread CPU-intensive kernel work :::::: TO: Daniel Jordan <daniel.m.jordan@oracle.com> :::::: CC: Xie XiuQi <xiexiuqi@huawei.com> -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki