tree: https://gitee.com/openeuler/kernel.git OLK-5.10 head: b05f2de3edcf4fc1b98ced476a06a62b961d3cce commit: bea38841945a52bd03004240eb0da6a5115bae21 [28936/30000] arm64: mm: Hide pbha_bit0 in procfs if pbha is not enabled config: arm64-randconfig-002-20240423 (https://download.01.org/0day-ci/archive/20240423/202404230626.ETmTJeuy-lkp@i...) compiler: aarch64-linux-gcc (GCC) 13.2.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240423/202404230626.ETmTJeuy-lkp@i...)

If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot lkp@intel.com | Closes: https://lore.kernel.org/oe-kbuild-all/202404230626.ETmTJeuy-lkp@intel.com/

All warnings (new ones prefixed by >>):

...

fs/proc/base.c:1454:6: warning: no previous prototype for 'pbha_bit0_hide_file' [-Wmissing-prototypes]

1454 | bool pbha_bit0_hide_file(const char *name) | ^~~~~~~~~~~~~~~~~~~

vim +/pbha_bit0_hide_file +1454 fs/proc/base.c

1453

1454 bool pbha_bit0_hide_file(const char *name)

1455 { 1456 if (!system_support_pbha_bit0() && !strncmp("pbha_bit0", name, 9)) 1457 return true; 1458 1459 return false; 1460 } 1461 #else 1462 static bool pbha_bit0_hide_file(const char *name) { return false; } 1463 #endif 1464