diff --git a/arch/ia64/mm/contig.c b/arch/ia64/mm/contig.c
index 24901d809301..1e9eaa107eb7 100644
--- a/arch/ia64/mm/contig.c
+++ b/arch/ia64/mm/contig.c
@@ -77,7 +77,7 @@ skip:
 	return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
 }
 
-static inline void
+static inline __init void
 alloc_per_cpu_data(void)
 {
 	size_t size = PERCPU_PAGE_SIZE * num_possible_cpus();