tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: 6906a84c482f098d31486df8dc98cead21cce2d0 commit: dfe69b2f4ed49aee4a46f09010f7888ee289083d [4839/5501] mm: shmem: add multi-size THP sysfs interface for anonymous shmem config: mips-randconfig-r034-20220430 (https://download.01.org/0day-ci/archive/20240615/202406152213.CoQNZR6z-lkp@xxxxxxxxx/config) compiler: mips-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240615/202406152213.CoQNZR6z-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/202406152213.CoQNZR6z-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): In file included from include/linux/spinlock.h:89, from include/linux/wait.h:9, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from mm/shmem.c:24: >> mm/shmem.c:139:24: warning: 'huge_shmem_orders_lock' defined but not used [-Wunused-variable] 139 | static DEFINE_SPINLOCK(huge_shmem_orders_lock); | ^~~~~~~~~~~~~~~~~~~~~~ include/linux/spinlock_types.h:43:44: note: in definition of macro 'DEFINE_SPINLOCK' 43 | #define DEFINE_SPINLOCK(x) spinlock_t x = __SPIN_LOCK_UNLOCKED(x) | ^ mm/shmem.c:138:22: warning: 'huge_shmem_orders_within_size' defined but not used [-Wunused-variable] 138 | static unsigned long huge_shmem_orders_within_size __read_mostly; | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~ mm/shmem.c:136:22: warning: 'huge_shmem_orders_madvise' defined but not used [-Wunused-variable] 136 | static unsigned long huge_shmem_orders_madvise __read_mostly; | ^~~~~~~~~~~~~~~~~~~~~~~~~ mm/shmem.c:135:22: warning: 'huge_shmem_orders_always' defined but not used [-Wunused-variable] 135 | static unsigned long huge_shmem_orders_always __read_mostly; | ^~~~~~~~~~~~~~~~~~~~~~~~ vim +/huge_shmem_orders_lock +139 mm/shmem.c 133 134 #ifdef CONFIG_TRANSPARENT_HUGEPAGE 135 static unsigned long huge_shmem_orders_always __read_mostly; 136 static unsigned long huge_shmem_orders_madvise __read_mostly; 137 static unsigned long huge_shmem_orders_inherit __read_mostly; 138 static unsigned long huge_shmem_orders_within_size __read_mostly; > 139 static DEFINE_SPINLOCK(huge_shmem_orders_lock); 140 #endif 141 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki