tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-nonmm-unstable head: fa63bc7d26007e1353fa90bb06cc37966bd1513a commit: 61ec2810d92f31b0ef8b30b08ee1d1e1ffc45ddc [15/17] cpumask: create dedicated kmem cache for cpumask var config: parisc-defconfig (https://download.01.org/0day-ci/archive/20240320/202403202344.Aao4CzXG-lkp@xxxxxxxxx/config) compiler: hppa-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240320/202403202344.Aao4CzXG-lkp@xxxxxxxxx/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@xxxxxxxxx> | Closes: https://lore.kernel.org/oe-kbuild-all/202403202344.Aao4CzXG-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> lib/cpumask.c:61: warning: cannot understand function prototype: 'struct kmem_cache *cpumask_cache __ro_after_init; ' vim +61 lib/cpumask.c 41 42 /* These are not inline because of header tangles. */ 43 #ifdef CONFIG_CPUMASK_OFFSTACK 44 /** 45 * alloc_cpumask_var_node - allocate a struct cpumask on a given node 46 * @mask: pointer to cpumask_var_t where the cpumask is returned 47 * @flags: GFP_ flags 48 * @node: memory node from which to allocate or %NUMA_NO_NODE 49 * 50 * Only defined when CONFIG_CPUMASK_OFFSTACK=y, otherwise is 51 * a nop returning a constant 1 (in <linux/cpumask.h>). 52 * 53 * Return: TRUE if memory allocation succeeded, FALSE otherwise. 54 * 55 * In addition, mask will be NULL if this fails. Note that gcc is 56 * usually smart enough to know that mask can never be NULL if 57 * CONFIG_CPUMASK_OFFSTACK=n, so does code elimination in that case 58 * too. 59 */ 60 > 61 static struct kmem_cache *cpumask_cache __ro_after_init; 62 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki
