1 files changed, 7 insertions, 2 deletions

diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index c87d6d1d5813..573d5cc63e2b 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -528,12 +528,17 @@ void __init find_memory(void)
 void *per_cpu_init(void)
 {
         int cpu;
+        static int first_time = 1;
+
 
         if (smp_processor_id() != 0)
                 return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
 
-        for (cpu = 0; cpu < NR_CPUS; cpu++)
-                per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
+        if (first_time) {
+                first_time = 0;
+                for (cpu = 0; cpu < NR_CPUS; cpu++)
+                        per_cpu(local_per_cpu_offset, cpu) = __per_cpu_offset[cpu];
+        }
 
         return __per_cpu_start + __per_cpu_offset[smp_processor_id()];
 }