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Diffstat (limited to 'arch/powerpc/include/asm/topology.h')
-rw-r--r--arch/powerpc/include/asm/topology.h85
1 files changed, 27 insertions, 58 deletions
diff --git a/arch/powerpc/include/asm/topology.h b/arch/powerpc/include/asm/topology.h
index afe4aaa65c3..5f1048eaa5b 100644
--- a/arch/powerpc/include/asm/topology.h
+++ b/arch/powerpc/include/asm/topology.h
@@ -3,38 +3,19 @@
#ifdef __KERNEL__
-struct sys_device;
+struct device;
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.
+ * If zone_reclaim_mode is enabled, a RECLAIM_DISTANCE of 10 will mean that
+ * all zones on all nodes will be eligible for zone_reclaim().
*/
#define RECLAIM_DISTANCE 10
#include <asm/mmzone.h>
-static inline int cpu_to_node(int cpu)
-{
- return numa_cpu_lookup_table[cpu];
-}
-
#define parent_node(node) (node)
#define cpumask_of_node(node) ((node) == -1 ? \
@@ -55,69 +36,57 @@ static inline int pcibus_to_node(struct pci_bus *bus)
cpu_all_mask : \
cpumask_of_node(pcibus_to_node(bus)))
-/* sched_domains SD_NODE_INIT for PPC64 machines */
-#define SD_NODE_INIT (struct sched_domain) { \
- .min_interval = 8, \
- .max_interval = 32, \
- .busy_factor = 32, \
- .imbalance_pct = 125, \
- .cache_nice_tries = 1, \
- .busy_idx = 3, \
- .idle_idx = 1, \
- .newidle_idx = 0, \
- .wake_idx = 0, \
- .forkexec_idx = 0, \
- \
- .flags = 1*SD_LOAD_BALANCE \
- | 1*SD_BALANCE_NEWIDLE \
- | 1*SD_BALANCE_EXEC \
- | 1*SD_BALANCE_FORK \
- | 0*SD_BALANCE_WAKE \
- | 0*SD_WAKE_AFFINE \
- | 0*SD_PREFER_LOCAL \
- | 0*SD_SHARE_CPUPOWER \
- | 0*SD_POWERSAVINGS_BALANCE \
- | 0*SD_SHARE_PKG_RESOURCES \
- | 1*SD_SERIALIZE \
- | 0*SD_PREFER_SIBLING \
- , \
- .last_balance = jiffies, \
- .balance_interval = 1, \
-}
-
extern int __node_distance(int, int);
#define node_distance(a, b) __node_distance(a, b)
extern void __init dump_numa_cpu_topology(void);
-extern int sysfs_add_device_to_node(struct sys_device *dev, int nid);
-extern void sysfs_remove_device_from_node(struct sys_device *dev, int nid);
+extern int sysfs_add_device_to_node(struct device *dev, int nid);
+extern void sysfs_remove_device_from_node(struct device *dev, int nid);
#else
static inline void dump_numa_cpu_topology(void) {}
-static inline int sysfs_add_device_to_node(struct sys_device *dev, int nid)
+static inline int sysfs_add_device_to_node(struct device *dev, int nid)
{
return 0;
}
-static inline void sysfs_remove_device_from_node(struct sys_device *dev,
+static inline void sysfs_remove_device_from_node(struct device *dev,
int nid)
{
}
-
#endif /* CONFIG_NUMA */
+#if defined(CONFIG_NUMA) && defined(CONFIG_PPC_SPLPAR)
+extern int start_topology_update(void);
+extern int stop_topology_update(void);
+extern int prrn_is_enabled(void);
+#else
+static inline int start_topology_update(void)
+{
+ return 0;
+}
+static inline int stop_topology_update(void)
+{
+ return 0;
+}
+static inline int prrn_is_enabled(void)
+{
+ return 0;
+}
+#endif /* CONFIG_NUMA && CONFIG_PPC_SPLPAR */
+
#include <asm-generic/topology.h>
#ifdef CONFIG_SMP
#include <asm/cputable.h>
-#define smt_capable() (cpu_has_feature(CPU_FTR_SMT))
#ifdef CONFIG_PPC64
#include <asm/smp.h>
+#define topology_physical_package_id(cpu) (cpu_to_chip_id(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))