tree: https://gitee.com/openeuler/kernel.git OLK-6.6 head: 1121c5557ede2747d2d2afc41d1141f25a5dcd0a commit: 832cfa264d7c521e75b1b9ecb763c1f67993ad0e [3450/3450] xsched: add xsched_{set,get}attr syscall config: loongarch-randconfig-002-20251203 (https://download.01.org/0day-ci/archive/20251203/202512030635.76WFoVdZ-lkp@i...) compiler: loongarch64-linux-gcc (GCC) 14.3.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251203/202512030635.76WFoVdZ-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/202512030635.76WFoVdZ-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from mm/filemap.c:25:

...

include/linux/syscalls.h:954:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 954 | asmlinkage long sys_xsched_setattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ include/linux/syscalls.h:955:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 955 | asmlinkage long sys_xsched_getattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ In file included from mm/filemap.c:55: mm/internal.h: In function 'shrinker_debugfs_name_alloc': mm/internal.h:1508:9: warning: function 'shrinker_debugfs_name_alloc' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1508 | shrinker->name = kvasprintf_const(GFP_KERNEL, fmt, ap); | ^~~~~~~~ -- In file included from mm/mempolicy.c:107: include/linux/syscalls.h:954:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 954 | asmlinkage long sys_xsched_setattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ include/linux/syscalls.h:955:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 955 | asmlinkage long sys_xsched_getattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ In file included from mm/mempolicy.c:119: mm/internal.h: In function 'shrinker_debugfs_name_alloc': mm/internal.h:1508:9: warning: function 'shrinker_debugfs_name_alloc' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1508 | shrinker->name = kvasprintf_const(GFP_KERNEL, fmt, ap); | ^~~~~~~~ mm/mempolicy.c: In function 'migrate_area_to_node': mm/mempolicy.c:1143:32: warning: variable 'vma' set but not used [-Wunused-but-set-variable] 1143 | struct vm_area_struct *vma; | ^~~ -- In file included from mm/msync.c:15: include/linux/syscalls.h:954:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 954 | asmlinkage long sys_xsched_setattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ include/linux/syscalls.h:955:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 955 | asmlinkage long sys_xsched_getattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ -- In file included from mm/madvise.c:11: include/linux/syscalls.h:954:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 954 | asmlinkage long sys_xsched_setattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ include/linux/syscalls.h:955:54: warning: 'struct xsched_attr' declared inside parameter list will not be visible outside of this definition or declaration 955 | asmlinkage long sys_xsched_getattr(pid_t pid, struct xsched_attr __user *arg); | ^~~~~~~~~~~ In file included from mm/madvise.c:37: mm/internal.h: In function 'shrinker_debugfs_name_alloc': mm/internal.h:1508:9: warning: function 'shrinker_debugfs_name_alloc' might be a candidate for 'gnu_printf' format attribute [-Wsuggest-attribute=format] 1508 | shrinker->name = kvasprintf_const(GFP_KERNEL, fmt, ap); | ^~~~~~~~ mm/madvise.c: At top level: mm/madvise.c:285:6: warning: no previous prototype for 'force_swapin_vma' [-Wmissing-prototypes] 285 | void force_swapin_vma(struct vm_area_struct *vma) | ^~~~~~~~~~~~~~~~

vim +954 include/linux/syscalls.h 953

954 asmlinkage long sys_xsched_setattr(pid_t pid, struct xsched_attr __user *arg); 955 asmlinkage long sys_xsched_getattr(pid_t pid, struct xsched_attr __user *arg); 956 /* 957 * Architecture-specific system calls 958 */ 959

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