5 files changed, 7 insertions, 3 deletions
diff --git a/arch/arm64/include/asm/numa.h b/arch/arm64/include/asm/numa.h
index 600887e491fd..bf466d1876e3 100644
--- a/arch/arm64/include/asm/numa.h
+++ b/arch/arm64/include/asm/numa.h
@@ -15,6 +15,8 @@ int __node_distance(int from, int to);
 
 extern nodemask_t numa_nodes_parsed __initdata;
 
+extern bool numa_off;
+
 /* Mappings between node number and cpus on that node. */
 extern cpumask_var_t node_to_cpumask_map[MAX_NUMNODES];
 void numa_clear_node(unsigned int cpu);
diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
index 4b32168cf91a..b388a99fea7b 100644
--- a/arch/arm64/mm/numa.c
+++ b/arch/arm64/mm/numa.c
@@ -35,7 +35,7 @@ static int cpu_to_node_map[NR_CPUS] = { [0 ... NR_CPUS-1] = NUMA_NO_NODE };
 
 static int numa_distance_cnt;
 static u8 *numa_distance;
-static bool numa_off;
+bool numa_off;
 
 static __init int numa_parse_early_param(char *opt)
 {
diff --git a/arch/ia64/include/asm/numa.h b/arch/ia64/include/asm/numa.h
index 2db0a6c6daa5..ebef7f40aabb 100644
--- a/arch/ia64/include/asm/numa.h
+++ b/arch/ia64/include/asm/numa.h
@@ -65,6 +65,8 @@ extern int paddr_to_nid(unsigned long paddr);
 
 #define local_nodeid (cpu_to_node_map[smp_processor_id()])
 
+#define numa_off     0
+
 extern void map_cpu_to_node(int cpu, int nid);
 extern void unmap_cpu_from_node(int cpu, int nid);
 extern void numa_clear_node(int cpu);
diff --git a/arch/x86/mm/numa.c b/arch/x86/mm/numa.c
index 3f35b48d1d9d..12dcad7297a5 100644
--- a/arch/x86/mm/numa.c
+++ b/arch/x86/mm/numa.c
@@ -19,7 +19,7 @@
 
 #include "numa_internal.h"
 
-int __initdata numa_off;
+int numa_off;
 nodemask_t numa_nodes_parsed __initdata;
 
 struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index ce3a7a16f03f..edb0c79f7c64 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -70,7 +70,7 @@ int acpi_map_pxm_to_node(int pxm)
 {
 	int node;
 
-	if (pxm < 0 || pxm >= MAX_PXM_DOMAINS)
+	if (pxm < 0 || pxm >= MAX_PXM_DOMAINS || numa_off)
 		return NUMA_NO_NODE;
 
 	node = pxm_to_node_map[pxm];