On Sat, Nov 14, 2020 at 12:54:47AM +0800, kernel test robot wrote: > Hi Hui, > > Thank you for the patch! Perhaps something to improve: > > [auto build test WARNING on mmotm/master] > > url: https://github.com/0day-ci/linux/commits/Hui-Su/mm-shmem-c-make-shmem_mapping-inline/20201113-215549 > base: git://git.cmpxchg.org/linux-mmotm.git master > config: arm-randconfig-s032-20201113 (attached as .config) > compiler: arm-linux-gnueabi-gcc (GCC) 9.3.0 > reproduce: > wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross > chmod +x ~/bin/make.cross > # apt-get install sparse > # sparse version: v0.6.3-107-gaf3512a6-dirty > # https://github.com/0day-ci/linux/commit/0434762d5523a3d702cd589a7f8e3771fee7b3b2 > git remote add linux-review https://github.com/0day-ci/linux > git fetch --no-tags linux-review Hui-Su/mm-shmem-c-make-shmem_mapping-inline/20201113-215549 > git checkout 0434762d5523a3d702cd589a7f8e3771fee7b3b2 > # save the attached .config to linux build tree > COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=arm > > If you fix the issue, kindly add following tag as appropriate > Reported-by: kernel test robot <lkp@xxxxxxxxx> > > > "sparse warnings: (new ones prefixed by >>)" > mm/filemap.c: note: in included file: > >> include/linux/shmem_fs.h:66:33: sparse: sparse: marked inline, but without a definition > >> include/linux/shmem_fs.h:66:33: sparse: sparse: marked inline, but without a definition > >> include/linux/shmem_fs.h:66:33: sparse: sparse: marked inline, but without a definition > -- > mm/truncate.c: note: in included file: > >> include/linux/shmem_fs.h:66:33: sparse: sparse: marked inline, but without a definition > >> include/linux/shmem_fs.h:66:33: sparse: sparse: marked inline, but without a definition > >> include/linux/shmem_fs.h:66:33: sparse: sparse: marked inline, but without a definition > -- > mm/memfd.c: note: in included file: > >> include/linux/shmem_fs.h:66:33: sparse: sparse: marked inline, but without a definition > > vim +66 include/linux/shmem_fs.h > > 48 > 49 /* > 50 * Functions in mm/shmem.c called directly from elsewhere: > 51 */ > 52 extern const struct fs_parameter_description shmem_fs_parameters; > 53 extern int shmem_init(void); > 54 extern int shmem_init_fs_context(struct fs_context *fc); > 55 extern struct file *shmem_file_setup(const char *name, > 56 loff_t size, unsigned long flags); > 57 extern struct file *shmem_kernel_file_setup(const char *name, loff_t size, > 58 unsigned long flags); > 59 extern struct file *shmem_file_setup_with_mnt(struct vfsmount *mnt, > 60 const char *name, loff_t size, unsigned long flags); > 61 extern int shmem_zero_setup(struct vm_area_struct *); > 62 extern unsigned long shmem_get_unmapped_area(struct file *, unsigned long addr, > 63 unsigned long len, unsigned long pgoff, unsigned long flags); > 64 extern int shmem_lock(struct file *file, int lock, struct user_struct *user); > 65 #ifdef CONFIG_SHMEM > > 66 extern inline bool shmem_mapping(struct address_space *mapping); > 67 #else > 68 static inline bool shmem_mapping(struct address_space *mapping) > 69 { > 70 return false; > 71 } > 72 #endif /* CONFIG_SHMEM */ > 73 extern void shmem_unlock_mapping(struct address_space *mapping); > 74 extern struct page *shmem_read_mapping_page_gfp(struct address_space *mapping, > 75 pgoff_t index, gfp_t gfp_mask); > 76 extern void shmem_truncate_range(struct inode *inode, loff_t start, loff_t end); > 77 extern int shmem_unuse(unsigned int type, bool frontswap, > 78 unsigned long *fs_pages_to_unuse); > 79 > > --- > 0-DAY CI Kernel Test Service, Intel Corporation > https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx Thanks for your test. I will resend a PATCH V2 later.
