diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 4173123..7fe413c 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -123,6 +123,8 @@
 #endif
 
 DEFINE_PER_CPU(struct acpi_processor *, processors);
+EXPORT_PER_CPU_SYMBOL(processors);
+
 struct acpi_processor_errata errata __read_mostly;
 static int set_no_mwait(const struct dmi_system_id *id)
 {