tree:   https://github.com/ammarfaizi2/linux-block google/android/kernel/common/android-4.14-stable
head:   c529afa15a69594211793a68cb70c873508061df
commit: b86e8759d93cce8d89d227760e464fcc7f3f1370 [1296/9999] BACKPORT: selinux: wrap global selinux state
config: i386-defconfig
compiler: gcc-7 (Ubuntu 7.5.0-6ubuntu2) 7.5.0
reproduce (this is a W=1 build):
        # https://github.com/ammarfaizi2/linux-block/commit/b86e8759d93cce8d89d227760e464fcc7f3f1370
        git remote add ammarfaizi2-block https://github.com/ammarfaizi2/linux-block
        git fetch --no-tags ammarfaizi2-block google/android/kernel/common/android-4.14-stable
        git checkout b86e8759d93cce8d89d227760e464fcc7f3f1370
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash security/selinux/

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

All warnings (new ones prefixed by >>):

>> security/selinux/ss/hashtab.c:173:13: warning: no previous declaration for 'hashtab_cache_init' [-Wmissing-declarations]
    void __init hashtab_cache_init(void)
                ^~~~~~~~~~~~~~~~~~


vim +/hashtab_cache_init +173 security/selinux/ss/hashtab.c

   172	
 > 173	void __init hashtab_cache_init(void)

-- 
0-DAY CI Kernel Test Service
https://01.org/lkp