1 files changed, 29 insertions, 16 deletions

diff --git a/include/asm-x86/topology.h b/include/asm-x86/topology.h
index 8af05a93f097..22073268b481 100644
--- a/include/asm-x86/topology.h
+++ b/include/asm-x86/topology.h
@@ -32,13 +32,18 @@
 /* Mappings between logical cpu number and node number */
 #ifdef CONFIG_X86_32
 extern int cpu_to_node_map[];
-
 #else
+/* Returns the number of the current Node. */
+#define numa_node_id()          (early_cpu_to_node(raw_smp_processor_id()))
+#endif
+
 DECLARE_PER_CPU(int, x86_cpu_to_node_map);
+
+#ifdef CONFIG_SMP
 extern int x86_cpu_to_node_map_init[];
 extern void *x86_cpu_to_node_map_early_ptr;
-/* Returns the number of the current Node. */
-#define numa_node_id()          (early_cpu_to_node(raw_smp_processor_id()))
+#else
+#define x86_cpu_to_node_map_early_ptr NULL
 #endif
 
 extern cpumask_t node_to_cpumask_map[];
@@ -54,6 +59,8 @@ static inline int cpu_to_node(int cpu)
 }
 
 #else /* CONFIG_X86_64 */
+
+#ifdef CONFIG_SMP
 static inline int early_cpu_to_node(int cpu)
 {
         int *cpu_to_node_map = x86_cpu_to_node_map_early_ptr;
@@ -65,22 +72,33 @@ static inline int early_cpu_to_node(int cpu)
         else
                 return NUMA_NO_NODE;
 }
+#else
+#define early_cpu_to_node(cpu)  cpu_to_node(cpu)
+#endif
 
 static inline int cpu_to_node(int cpu)
 {
 #ifdef CONFIG_DEBUG_PER_CPU_MAPS
         if (x86_cpu_to_node_map_early_ptr) {
                 printk("KERN_NOTICE cpu_to_node(%d): usage too early!\n",
-                        (int)cpu);
+                       (int)cpu);
                 dump_stack();
                 return ((int *)x86_cpu_to_node_map_early_ptr)[cpu];
         }
 #endif
-        if (per_cpu_offset(cpu))
-                return per_cpu(x86_cpu_to_node_map, cpu);
-        else
-                return NUMA_NO_NODE;
+        return per_cpu(x86_cpu_to_node_map, cpu);
 }
+
+#ifdef  CONFIG_NUMA
+
+/* Returns a pointer to the cpumask of CPUs on Node 'node'. */
+#define node_to_cpumask_ptr(v, node)            \
+                cpumask_t *v = &(node_to_cpumask_map[node])
+
+#define node_to_cpumask_ptr_next(v, node)       \
+                           v = &(node_to_cpumask_map[node])
+#endif
+
 #endif /* CONFIG_X86_64 */
 
 /*
@@ -129,17 +147,13 @@ extern unsigned long node_remap_size[];
 
 # define SD_CACHE_NICE_TRIES    2
 # define SD_IDLE_IDX            2
-# define SD_NEWIDLE_IDX         0
+# define SD_NEWIDLE_IDX         2
 # define SD_FORKEXEC_IDX        1
 
 #endif
 
 /* sched_domains SD_NODE_INIT for NUMAQ machines */
 #define SD_NODE_INIT (struct sched_domain) {            \
-        .span                   = CPU_MASK_NONE,        \
-        .parent                 = NULL,                 \
-        .child                  = NULL,                 \
-        .groups                 = NULL,                 \
         .min_interval           = 8,                    \
         .max_interval           = 32,                   \
         .busy_factor            = 32,                   \
@@ -157,7 +171,6 @@ extern unsigned long node_remap_size[];
                                 | SD_WAKE_BALANCE,      \
         .last_balance           = jiffies,              \
         .balance_interval       = 1,                    \
-        .nr_balance_failed      = 0,                    \
 }
 
 #ifdef CONFIG_X86_64_ACPI_NUMA
@@ -167,10 +180,10 @@ extern int __node_distance(int, int);
 
 #else /* CONFIG_NUMA */
 
-#include <asm-generic/topology.h>
-
 #endif
 
+#include <asm-generic/topology.h>
+
 extern cpumask_t cpu_coregroup_map(int cpu);
 
 #ifdef ENABLE_TOPO_DEFINES