summaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/topology.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/topology.h')
-rw-r--r--arch/powerpc/include/asm/topology.h26
1 files changed, 23 insertions, 3 deletions
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index 8eaec310a25b..32adf7280720 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -8,6 +8,26 @@ struct device_node;
#ifdef CONFIG_NUMA
+/*
+ * Before going off node we want the VM to try and reclaim from the local
+ * node. It does this if the remote distance is larger than RECLAIM_DISTANCE.
+ * With the default REMOTE_DISTANCE of 20 and the default RECLAIM_DISTANCE of
+ * 20, we never reclaim and go off node straight away.
+ *
+ * To fix this we choose a smaller value of RECLAIM_DISTANCE.
+ */
+#define RECLAIM_DISTANCE 10
+
+/*
+ * Before going off node we want the VM to try and reclaim from the local
+ * node. It does this if the remote distance is larger than RECLAIM_DISTANCE.
+ * With the default REMOTE_DISTANCE of 20 and the default RECLAIM_DISTANCE of
+ * 20, we never reclaim and go off node straight away.
+ *
+ * To fix this we choose a smaller value of RECLAIM_DISTANCE.
+ */
+#define RECLAIM_DISTANCE 10
+
#include <asm/mmzone.h>
static inline int cpu_to_node(int cpu)
@@ -19,7 +39,7 @@ static inline int cpu_to_node(int cpu)
#define cpumask_of_node(node) ((node) == -1 ? \
cpu_all_mask : \
- &numa_cpumask_lookup_table[node])
+ node_to_cpumask_map[node])
int of_node_to_nid(struct device_node *device);
@@ -102,8 +122,8 @@ static inline void sysfs_remove_device_from_node(struct sys_device *dev,
#ifdef CONFIG_PPC64
#include <asm/smp.h>
-#define topology_thread_cpumask(cpu) (&per_cpu(cpu_sibling_map, cpu))
-#define topology_core_cpumask(cpu) (&per_cpu(cpu_core_map, cpu))
+#define topology_thread_cpumask(cpu) (per_cpu(cpu_sibling_map, cpu))
+#define topology_core_cpumask(cpu) (per_cpu(cpu_core_map, cpu))
#define topology_core_id(cpu) (cpu_to_core_id(cpu))
#endif
#endif