diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 0831f709f7771493d09f6e662eddd6950aeabe81..9d93ecf6d999d82944c017778a40a9cff5cda92c 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -612,6 +612,7 @@ extern struct {
 /* which logical CPUs are on which nodes */
 cpumask_t node_2_cpu_mask[MAX_NUMNODES] __read_mostly =
 				{ [0 ... MAX_NUMNODES-1] = CPU_MASK_NONE };
+EXPORT_SYMBOL(node_2_cpu_mask);
 /* which node each logical CPU is on */
 int cpu_2_node[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = 0 };
 EXPORT_SYMBOL(cpu_2_node);
diff --git a/arch/ia64/kernel/numa.c b/arch/ia64/kernel/numa.c
index 20340631179f669fd7d9216d85f210c2a4cf381e..a78b45f5fe2f9d3aef7c9c8aa8012987b0558a0e 100644
--- a/arch/ia64/kernel/numa.c
+++ b/arch/ia64/kernel/numa.c
@@ -28,6 +28,7 @@ u16 cpu_to_node_map[NR_CPUS] __cacheline_aligned;
 EXPORT_SYMBOL(cpu_to_node_map);
 
 cpumask_t node_to_cpu_mask[MAX_NUMNODES] __cacheline_aligned;
+EXPORT_SYMBOL(node_to_cpu_mask);
 
 void __cpuinit map_cpu_to_node(int cpu, int nid)
 {