[PATCH] sched: mc/smt power savings sched policy

[safe/jmp/linux-2.6] / include / asm-i386 / topology.h

diff --git a/include/asm-i386/topology.h b/include/asm-i386/topology.h
index 5eb6f61..6adbd9b 100644 (file)
--- a/include/asm-i386/topology.h
+++ b/include/asm-i386/topology.h
@@ -27,6 +27,13 @@
 #ifndef _ASM_I386_TOPOLOGY_H
 #define _ASM_I386_TOPOLOGY_H
 
+#ifdef CONFIG_X86_HT
+#define topology_physical_package_id(cpu)      (cpu_data[cpu].phys_proc_id)
+#define topology_core_id(cpu)                  (cpu_data[cpu].cpu_core_id)
+#define topology_core_siblings(cpu)            (cpu_core_map[cpu])
+#define topology_thread_siblings(cpu)          (cpu_sibling_map[cpu])
+#endif
+
 #ifdef CONFIG_NUMA
 
 #include <asm/mpspec.h>
@@ -60,7 +67,7 @@ static inline int node_to_first_cpu(int node)
        return first_cpu(mask);
 }
 
-#define pcibus_to_node(bus) mp_bus_id_to_node[(bus)->number]
+#define pcibus_to_node(bus) ((long) (bus)->sysdata)
 #define pcibus_to_cpumask(bus) node_to_cpumask(pcibus_to_node(bus))
 
 /* sched_domains SD_NODE_INIT for NUMAQ machines */
@@ -72,7 +79,6 @@ static inline int node_to_first_cpu(int node)
        .max_interval           = 32,                   \
        .busy_factor            = 32,                   \
        .imbalance_pct          = 125,                  \
-       .cache_hot_time         = (10*1000000),         \
        .cache_nice_tries       = 1,                    \
        .busy_idx               = 3,                    \
        .idle_idx               = 1,                    \
@@ -81,7 +87,7 @@ static inline int node_to_first_cpu(int node)
        .per_cpu_gain           = 100,                  \
        .flags                  = SD_LOAD_BALANCE       \
                                | SD_BALANCE_EXEC       \
-                               | SD_BALANCE_NEWIDLE    \
+                               | SD_BALANCE_FORK       \
                                | SD_WAKE_BALANCE,      \
        .last_balance           = jiffies,              \
        .balance_interval       = 1,                    \
@@ -104,4 +110,11 @@ extern unsigned long node_remap_size[];
 
 #endif /* CONFIG_NUMA */
 
+extern cpumask_t cpu_coregroup_map(int cpu);
+
+#ifdef CONFIG_SMP
+#define mc_capable()   (boot_cpu_data.x86_max_cores > 1)
+#define smt_capable()  (smp_num_siblings > 1)
+#endif
+
 #endif /* _ASM_I386_TOPOLOGY_H */