--- a/mm/percpu.c~percpu-remove-export-of-pcpu_base_addr +++ a/mm/percpu.c @@ -146,7 +146,6 @@ static unsigned int pcpu_high_unit_cpu _ /* the address of the first chunk which starts with the kernel static area */ void *pcpu_base_addr __ro_after_init; -EXPORT_SYMBOL_GPL(pcpu_base_addr); static const int *pcpu_unit_map __ro_after_init; /* cpu -> unit */ const unsigned long *pcpu_unit_offsets __ro_after_init; /* cpu -> unit offset */