Hi Ding,

FYI, the error/warning still remains.

tree: https://gitee.com/openeuler/kernel.git openEuler-1.0-LTS head: 22c50245e8025b0c6beee13d0df238987b98e6f8 commit: fdda68feeca82610ccbcdcbda7250623a6d187d2 [13850/23866] arm64/ascend: Set mem_sleep_current to PM_SUSPEND_ON for ascend platform config: arm64-randconfig-003-20241027 (https://download.01.org/0day-ci/archive/20241027/202410271033.v9jrl44I-lkp@i...) compiler: aarch64-linux-gcc (GCC) 14.1.0 reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241027/202410271033.v9jrl44I-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/202410271033.v9jrl44I-lkp@intel.com/

All errors (new ones prefixed by >>):

arch/arm64/mm/init.c:469:13: warning: no previous prototype for 'arm64_memblock_init' [-Wmissing-prototypes] 469 | void __init arm64_memblock_init(void) | ^~~~~~~~~~~~~~~~~~~ arch/arm64/mm/init.c: In function 'ascend_enable_setup':

...

arch/arm64/mm/init.c:784:17: error: 'mem_sleep_current' undeclared (first use in this function)

784 | mem_sleep_current = PM_SUSPEND_ON; | ^~~~~~~~~~~~~~~~~ arch/arm64/mm/init.c:784:17: note: each undeclared identifier is reported only once for each function it appears in

vim +/mem_sleep_current +784 arch/arm64/mm/init.c

770 771 #ifdef CONFIG_ASCEND_FEATURES 772 static int __init ascend_enable_setup(char *__unused) 773 { 774 if (IS_ENABLED(CONFIG_ASCEND_DVPP_MMAP)) 775 enable_mmap_dvpp = 1; 776 777 if (IS_ENABLED(CONFIG_ASCEND_IOPF_HIPRI)) 778 enable_iopf_hipri = 1; 779 780 if (IS_ENABLED(CONFIG_ASCEND_CHARGE_MIGRATE_HUGEPAGES)) 781 enable_charge_mighp = 1; 782 783 if (IS_ENABLED(CONFIG_SUSPEND))

784 mem_sleep_current = PM_SUSPEND_ON;

785 786 return 1; 787 } 788