tree: https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git mm-unstable head: 706370e5c2ea7bb4544eee6e1172c4d68117a526 commit: d845587c05fd4ae52aaa0cd5c8939e8f4793301f [302/323] x86/mm: move protection_map[] inside the platform config: x86_64-defconfig (https://download.01.org/0day-ci/archive/20220702/202207021647.Jb0wNWF5-lkp@xxxxxxxxx/config) compiler: gcc-11 (Debian 11.3.0-3) 11.3.0 reproduce (this is a W=1 build): # https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git/commit/?id=d845587c05fd4ae52aaa0cd5c8939e8f4793301f git remote add akpm-mm https://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm.git git fetch --no-tags akpm-mm mm-unstable git checkout d845587c05fd4ae52aaa0cd5c8939e8f4793301f # save the config file mkdir build_dir && cp config build_dir/.config make W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash arch/x86/mm/ If you fix the issue, kindly add following tag where applicable Reported-by: kernel test robot <lkp@xxxxxxxxx> All warnings (new ones prefixed by >>): >> arch/x86/mm/pgprot.c:26:6: warning: no previous prototype for 'add_encrypt_protection_map' [-Wmissing-prototypes] 26 | void add_encrypt_protection_map(void) | ^~~~~~~~~~~~~~~~~~~~~~~~~~ vim +/add_encrypt_protection_map +26 arch/x86/mm/pgprot.c 25 > 26 void add_encrypt_protection_map(void) 27 { 28 unsigned int i; 29 30 for (i = 0; i < ARRAY_SIZE(protection_map); i++) 31 protection_map[i] = pgprot_encrypted(protection_map[i]); 32 } 33 -- 0-DAY CI Kernel Test Service https://01.org/lkp
