Hi Eric, I love your patch! Perhaps something to improve: [auto build test WARNING on v6.1] [also build test WARNING on linus/master next-20221216] [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/Eric-Van-Hensbergen/Adjust-maximum-MSIZE-to-account-for-p9-header/20221218-035253 patch link: https://lore.kernel.org/r/20221217185210.1431478-5-evanhensbergen%40icloud.com patch subject: [PATCH 4/6] Consolidate file operations and add readahead and writeback config: i386-defconfig compiler: gcc-11 (Debian 11.3.0-8) 11.3.0 reproduce (this is a W=1 build): # https://github.com/intel-lab-lkp/linux/commit/3cb1fb650908432b5df0279ca61f483e09ce2478 git remote add linux-review https://github.com/intel-lab-lkp/linux git fetch --no-tags linux-review Eric-Van-Hensbergen/Adjust-maximum-MSIZE-to-account-for-p9-header/20221218-035253 git checkout 3cb1fb650908432b5df0279ca61f483e09ce2478 # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=i386 olddefconfig make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash fs/9p/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot All warnings (new ones prefixed by >>): >> fs/9p/vfs_file.c:591:42: warning: 'v9fs_file_vm_ops' defined but not used [-Wunused-const-variable=] 591 | static const struct vm_operations_struct v9fs_file_vm_ops = { | ^~~~~~~~~~~~~~~~ vim +/v9fs_file_vm_ops +591 fs/9p/vfs_file.c fb89b45cdfdc8b Dominique Martinet 2014-01-10 589 fb89b45cdfdc8b Dominique Martinet 2014-01-10 590 7263cebed9fada Aneesh Kumar K.V 2011-02-28 @591 static const struct vm_operations_struct v9fs_file_vm_ops = { 7263cebed9fada Aneesh Kumar K.V 2011-02-28 592 .fault = filemap_fault, f1820361f83d55 Kirill A. Shutemov 2014-04-07 593 .map_pages = filemap_map_pages, 7263cebed9fada Aneesh Kumar K.V 2011-02-28 594 .page_mkwrite = v9fs_vm_page_mkwrite, 7263cebed9fada Aneesh Kumar K.V 2011-02-28 595 }; 7263cebed9fada Aneesh Kumar K.V 2011-02-28 596 -- 0-DAY CI Kernel Test Service https://01.org/lkp