alpha: Fix section mismatches

Signed-off-by: Matt Turner <mattst88@gmail.com>
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 9fc5604..f6726a7 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -115,7 +115,7 @@ wait_boot_cpu_to_stop(int cpuid)
 /*
  * Where secondaries begin a life of C.
  */
-void
+void __init
 smp_callin(void)
 {
 	int cpuid = hard_smp_processor_id();