Hi Omkar, kernel test robot noticed the following build errors: [auto build test ERROR on akpm-mm/mm-everything] [also build test ERROR on linus/master next-20231109] [cannot apply to v6.6] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Omkar-Wagle/MM-shmem-Remove-code-sytle-warnings/20231109-163742 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20231109062228.10227-1-ov.wagle%40gmail.com patch subject: [PATCH] MM: shmem: Remove code sytle warnings config: mips-allnoconfig (https://download.01.org/0day-ci/archive/20231109/202311092136.KQoibaVV-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/20231109/202311092136.KQoibaVV-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/202311092136.KQoibaVV-lkp@xxxxxxxxx/ All errors (new ones prefixed by >>): mm/shmem.c: In function 'shmem_fill_super': >> mm/shmem.c:4310:47: error: macro "max_t" requires 3 arguments, but only 2 given 4310 | L1_CACHE_BYTES), GFP_KERNEL); | ^ In file included from include/linux/kernel.h:28, from include/linux/cpumask.h:10, from arch/mips/include/asm/processor.h:15, from arch/mips/include/asm/thread_info.h:16, from include/linux/thread_info.h:60, from include/asm-generic/preempt.h:5, from ./arch/mips/include/generated/asm/preempt.h:1, from include/linux/preempt.h:79, from include/linux/spinlock.h:56, from include/linux/wait.h:9, from include/linux/wait_bit.h:8, from include/linux/fs.h:6, from mm/shmem.c:24: include/linux/minmax.h:169: note: macro "max_t" defined here 169 | #define max_t(type, x, y) __careful_cmp(max, (type)(x), (type)(y)) | >> mm/shmem.c:4309:26: error: 'max_t' undeclared (first use in this function); did you mean 'rmap_t'? 4309 | sbinfo = kzalloc(max_t((int)sizeof(struct shmem_sb_info), | ^~~~~ | rmap_t mm/shmem.c:4309:26: note: each undeclared identifier is reported only once for each function it appears in vim +/max_t +4310 mm/shmem.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 4300 f32356261d44d5 David Howells 2019-03-25 4301 static int shmem_fill_super(struct super_block *sb, struct fs_context *fc) ^1da177e4c3f41 Linus Torvalds 2005-04-16 4302 { f32356261d44d5 David Howells 2019-03-25 4303 struct shmem_options *ctx = fc->fs_private; ^1da177e4c3f41 Linus Torvalds 2005-04-16 4304 struct inode *inode; 0edd73b33426df Hugh Dickins 2005-06-21 4305 struct shmem_sb_info *sbinfo; 71480663b751de Carlos Maiolino 2023-07-25 4306 int error = -ENOMEM; 680d794babebc7 Andrew Morton 2008-02-08 4307 680d794babebc7 Andrew Morton 2008-02-08 4308 /* Round up to L1_CACHE_BYTES to resist false sharing */ 1c6e8dc111cb86 Omkar Wagle 2023-11-08 @4309 sbinfo = kzalloc(max_t((int)sizeof(struct shmem_sb_info), 680d794babebc7 Andrew Morton 2008-02-08 @4310 L1_CACHE_BYTES), GFP_KERNEL); 680d794babebc7 Andrew Morton 2008-02-08 4311 if (!sbinfo) 71480663b751de Carlos Maiolino 2023-07-25 4312 return error; 680d794babebc7 Andrew Morton 2008-02-08 4313 680d794babebc7 Andrew Morton 2008-02-08 4314 sb->s_fs_info = sbinfo; ^1da177e4c3f41 Linus Torvalds 2005-04-16 4315 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki