__is_kernel_percpu_address 127 include/linux/percpu.h extern bool __is_kernel_percpu_address(unsigned long addr, unsigned long *can_addr); __is_kernel_percpu_address 868 kernel/locking/lockdep.c if (__is_kernel_percpu_address(addr, &can_addr)) __is_kernel_percpu_address 2035 mm/percpu.c return __is_kernel_percpu_address(addr, NULL);