mm/filemap.c:2190:6: warning: unused function 'folio_more_pages'

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head:   c1649ec55708ae42091a2f1bca1ab49ecd722d55
commit: 48658d8509d2db3391c95aa74308a2b1fc8e8461 filemap: remove find_get_pages_contig()
date:   4 months ago
config: arm-randconfig-r026-20230116 (https://download.01.org/0day-ci/archive/20230118/202301182254.XhRmZw9A-lkp@xxxxxxxxx/config)
compiler: clang version 16.0.0 (https://github.com/llvm/llvm-project 4196ca3278f78c6e19246e54ab0ecb364e37d66a)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm cross compiling tool for clang build
        # apt-get install binutils-arm-linux-gnueabi
        # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=48658d8509d2db3391c95aa74308a2b1fc8e8461
        git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
        git fetch --no-tags linus master
        git checkout 48658d8509d2db3391c95aa74308a2b1fc8e8461
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> mm/filemap.c:2190:6: warning: unused function 'folio_more_pages' [-Wunused-function]
   bool folio_more_pages(struct folio *folio, pgoff_t index, pgoff_t max)
        ^
   1 warning generated.


vim +/folio_more_pages +2190 mm/filemap.c

be0ced5e9cb81a Matthew Wilcox (Oracle  2022-06-03  2188) 
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27  2189) static inline
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27 @2190) bool folio_more_pages(struct folio *folio, pgoff_t index, pgoff_t max)
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27  2191) {
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27  2192) 	if (!folio_test_large(folio) || folio_test_hugetlb(folio))
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27  2193) 		return false;
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27  2194) 	if (index >= max)
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27  2195) 		return false;
6b24ca4a1a8d4e Matthew Wilcox (Oracle  2020-06-27  2196) 	return index < folio->index + folio_nr_pages(folio) - 1;
^1da177e4c3f41 Linus Torvalds          2005-04-16  2197  }
^1da177e4c3f41 Linus Torvalds          2005-04-16  2198  

:::::: The code at line 2190 was first introduced by commit
:::::: 6b24ca4a1a8d4ee3221d6d44ddbb99f542e4bda3 mm: Use multi-index entries in the page cache

:::::: TO: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>
:::::: CC: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx>

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests




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