[kbuild-all] fs/fscache/cookie.c:32:14: sparse: sparse: symbol 'fscache_lru_cookie_timeout' was not declared. Should it be static?

tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: dd81e1c7d5fb126e5fbc5c9e334d7b3ec29a16a0 commit: 12bb21a29c19aae50cfad4e2bb5c943108f34a7d fscache: Implement cookie user counting and resource pinning date: 3 weeks ago config: csky-randconfig-s032-20220120 (https://download.01.org/0day-ci/archive/20220125/202201251717.ssGUprks-lk...) compiler: csky-linux-gcc (GCC) 11.2.0 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: v0.6.4-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit... git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 12bb21a29c19aae50cfad4e2bb5c943108f34a7d # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=csky SHELL=/bin/bash block// fs/ If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; sparse warnings: (new ones prefixed by >>) vim +/fscache_lru_cookie_timeout +32 fs/fscache/cookie.c 23 24 #define fscache_cookie_hash_shift 15 25 static struct hlist_bl_head fscache_cookie_hash[1 << fscache_cookie_hash_shift]; 26 static LIST_HEAD(fscache_cookies); 27 static DEFINE_RWLOCK(fscache_cookies_lock); 28 static LIST_HEAD(fscache_cookie_lru); 29 static DEFINE_SPINLOCK(fscache_cookie_lru_lock); 30 DEFINE_TIMER(fscache_cookie_lru_timer, fscache_cookie_lru_timed_out); 31 static DECLARE_WORK(fscache_cookie_lru_work, fscache_cookie_lru_worker); 33 unsigned int fscache_lru_cookie_timeout = 10 * HZ; 34 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org