Hi Daniel, kernel test robot noticed the following build warnings: [auto build test WARNING on akpm-mm/mm-everything] [also build test WARNING on xfs-linux/for-next brauner-vfs/vfs.all linus/master v6.9 next-20240515] [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/Daniel-Gomez/splice-don-t-check-for-uptodate-if-partially-uptodate-is-impl/20240515-135925 base: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-everything patch link: https://lore.kernel.org/r/20240515055719.32577-12-da.gomez%40samsung.com patch subject: [PATCH 11/12] shmem: add file length arg in shmem_get_folio() path config: openrisc-defconfig (https://download.01.org/0day-ci/archive/20240516/202405160144.a9ad9CX5-lkp@xxxxxxxxx/config) compiler: or1k-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240516/202405160144.a9ad9CX5-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/202405160144.a9ad9CX5-lkp@xxxxxxxxx/ All warnings (new ones prefixed by >>): >> mm/shmem.c:2382: warning: Function parameter or struct member 'len' not described in 'shmem_get_folio' vim +2382 mm/shmem.c ^1da177e4c3f41 Linus Torvalds 2005-04-16 2356 d7468609ee0f90 Christoph Hellwig 2024-02-19 2357 /** d7468609ee0f90 Christoph Hellwig 2024-02-19 2358 * shmem_get_folio - find, and lock a shmem folio. d7468609ee0f90 Christoph Hellwig 2024-02-19 2359 * @inode: inode to search d7468609ee0f90 Christoph Hellwig 2024-02-19 2360 * @index: the page index. d7468609ee0f90 Christoph Hellwig 2024-02-19 2361 * @foliop: pointer to the folio if found d7468609ee0f90 Christoph Hellwig 2024-02-19 2362 * @sgp: SGP_* flags to control behavior d7468609ee0f90 Christoph Hellwig 2024-02-19 2363 * d7468609ee0f90 Christoph Hellwig 2024-02-19 2364 * Looks up the page cache entry at @inode & @index. If a folio is d7468609ee0f90 Christoph Hellwig 2024-02-19 2365 * present, it is returned locked with an increased refcount. d7468609ee0f90 Christoph Hellwig 2024-02-19 2366 * 9d8b36744935f8 Christoph Hellwig 2024-02-19 2367 * If the caller modifies data in the folio, it must call folio_mark_dirty() 9d8b36744935f8 Christoph Hellwig 2024-02-19 2368 * before unlocking the folio to ensure that the folio is not reclaimed. 9d8b36744935f8 Christoph Hellwig 2024-02-19 2369 * There is no need to reserve space before calling folio_mark_dirty(). 9d8b36744935f8 Christoph Hellwig 2024-02-19 2370 * d7468609ee0f90 Christoph Hellwig 2024-02-19 2371 * When no folio is found, the behavior depends on @sgp: 8d4dd9d741c330 Akira Yokosawa 2024-02-27 2372 * - for SGP_READ, *@foliop is %NULL and 0 is returned 8d4dd9d741c330 Akira Yokosawa 2024-02-27 2373 * - for SGP_NOALLOC, *@foliop is %NULL and -ENOENT is returned d7468609ee0f90 Christoph Hellwig 2024-02-19 2374 * - for all other flags a new folio is allocated, inserted into the d7468609ee0f90 Christoph Hellwig 2024-02-19 2375 * page cache and returned locked in @foliop. d7468609ee0f90 Christoph Hellwig 2024-02-19 2376 * d7468609ee0f90 Christoph Hellwig 2024-02-19 2377 * Context: May sleep. d7468609ee0f90 Christoph Hellwig 2024-02-19 2378 * Return: 0 if successful, else a negative error code. d7468609ee0f90 Christoph Hellwig 2024-02-19 2379 */ 4e1fc793ad9892 Matthew Wilcox (Oracle 2022-09-02 2380) int shmem_get_folio(struct inode *inode, pgoff_t index, struct folio **foliop, 02efe2fbe45ffd Daniel Gomez 2024-05-15 2381 enum sgp_type sgp, size_t len) 4e1fc793ad9892 Matthew Wilcox (Oracle 2022-09-02 @2382) { 4e1fc793ad9892 Matthew Wilcox (Oracle 2022-09-02 2383) return shmem_get_folio_gfp(inode, index, foliop, sgp, 02efe2fbe45ffd Daniel Gomez 2024-05-15 2384 mapping_gfp_mask(inode->i_mapping), NULL, NULL, len); 4e1fc793ad9892 Matthew Wilcox (Oracle 2022-09-02 2385) } d7468609ee0f90 Christoph Hellwig 2024-02-19 2386 EXPORT_SYMBOL_GPL(shmem_get_folio); 4e1fc793ad9892 Matthew Wilcox (Oracle 2022-09-02 2387) -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki