Merge branch 'for-2.6.27' of git://linux-nfs.org/~bfields/linux

[pandora-kernel.git] / include / linux / topology.h

diff --git a/include/linux/topology.h b/include/linux/topology.h
index bd14f8b..2158fc0 100644 (file)
--- a/include/linux/topology.h
+++ b/include/linux/topology.h
@@ -38,16 +38,15 @@
 #endif
 
 #ifndef nr_cpus_node
-#define nr_cpus_node(node)                                                     \
-       ({                                                                      \
-               cpumask_t __tmp__;                                              \
-               __tmp__ = node_to_cpumask(node);                                \
-               cpus_weight(__tmp__);                                           \
+#define nr_cpus_node(node)                             \
+       ({                                              \
+               node_to_cpumask_ptr(__tmp__, node);     \
+               cpus_weight(*__tmp__);                  \
        })
 #endif
 
-#define for_each_node_with_cpus(node)                                          \
-       for_each_online_node(node)                                              \
+#define for_each_node_with_cpus(node)                  \
+       for_each_online_node(node)                      \
                if (nr_cpus_node(node))
 
 void arch_update_cpu_topology(void);
@@ -80,7 +79,9 @@ void arch_update_cpu_topology(void);
  * by defining their own arch-specific initializer in include/asm/topology.h.
  * A definition there will automagically override these default initializers
  * and allow arch-specific performance tuning of sched_domains.
+ * (Only non-zero and non-null fields need be specified.)
  */
+
 #ifdef CONFIG_SCHED_SMT
 /* MCD - Do we really need this?  It is always on if CONFIG_SCHED_SMT is,
  * so can't we drop this in favor of CONFIG_SCHED_SMT?
@@ -89,20 +90,10 @@ void arch_update_cpu_topology(void);
 /* Common values for SMT siblings */
 #ifndef SD_SIBLING_INIT
 #define SD_SIBLING_INIT (struct sched_domain) {                \
-       .span                   = CPU_MASK_NONE,        \
-       .parent                 = NULL,                 \
-       .child                  = NULL,                 \
-       .groups                 = NULL,                 \
        .min_interval           = 1,                    \
        .max_interval           = 2,                    \
        .busy_factor            = 64,                   \
        .imbalance_pct          = 110,                  \
-       .cache_nice_tries       = 0,                    \
-       .busy_idx               = 0,                    \
-       .idle_idx               = 0,                    \
-       .newidle_idx            = 0,                    \
-       .wake_idx               = 0,                    \
-       .forkexec_idx           = 0,                    \
        .flags                  = SD_LOAD_BALANCE       \
                                | SD_BALANCE_NEWIDLE    \
                                | SD_BALANCE_FORK       \
@@ -112,7 +103,6 @@ void arch_update_cpu_topology(void);
                                | SD_SHARE_CPUPOWER,    \
        .last_balance           = jiffies,              \
        .balance_interval       = 1,                    \
-       .nr_balance_failed      = 0,                    \
 }
 #endif
 #endif /* CONFIG_SCHED_SMT */
@@ -121,18 +111,12 @@ void arch_update_cpu_topology(void);
 /* Common values for MC siblings. for now mostly derived from SD_CPU_INIT */
 #ifndef SD_MC_INIT
 #define SD_MC_INIT (struct sched_domain) {             \
-       .span                   = CPU_MASK_NONE,        \
-       .parent                 = NULL,                 \
-       .child                  = NULL,                 \
-       .groups                 = NULL,                 \
        .min_interval           = 1,                    \
        .max_interval           = 4,                    \
        .busy_factor            = 64,                   \
        .imbalance_pct          = 125,                  \
        .cache_nice_tries       = 1,                    \
        .busy_idx               = 2,                    \
-       .idle_idx               = 0,                    \
-       .newidle_idx            = 0,                    \
        .wake_idx               = 1,                    \
        .forkexec_idx           = 1,                    \
        .flags                  = SD_LOAD_BALANCE       \
@@ -144,7 +128,6 @@ void arch_update_cpu_topology(void);
                                | BALANCE_FOR_MC_POWER, \
        .last_balance           = jiffies,              \
        .balance_interval       = 1,                    \
-       .nr_balance_failed      = 0,                    \
 }
 #endif
 #endif /* CONFIG_SCHED_MC */
@@ -152,10 +135,6 @@ void arch_update_cpu_topology(void);
 /* Common values for CPUs */
 #ifndef SD_CPU_INIT
 #define SD_CPU_INIT (struct sched_domain) {            \
-       .span                   = CPU_MASK_NONE,        \
-       .parent                 = NULL,                 \
-       .child                  = NULL,                 \
-       .groups                 = NULL,                 \
        .min_interval           = 1,                    \
        .max_interval           = 4,                    \
        .busy_factor            = 64,                   \
@@ -174,16 +153,11 @@ void arch_update_cpu_topology(void);
                                | BALANCE_FOR_PKG_POWER,\
        .last_balance           = jiffies,              \
        .balance_interval       = 1,                    \
-       .nr_balance_failed      = 0,                    \
 }
 #endif
 
 /* sched_domains SD_ALLNODES_INIT for NUMA machines */
 #define SD_ALLNODES_INIT (struct sched_domain) {       \
-       .span                   = CPU_MASK_NONE,        \
-       .parent                 = NULL,                 \
-       .child                  = NULL,                 \
-       .groups                 = NULL,                 \
        .min_interval           = 64,                   \
        .max_interval           = 64*num_online_cpus(), \
        .busy_factor            = 128,                  \
@@ -191,14 +165,12 @@ void arch_update_cpu_topology(void);
        .cache_nice_tries       = 1,                    \
        .busy_idx               = 3,                    \
        .idle_idx               = 3,                    \
-       .newidle_idx            = 0, /* unused */       \
-       .wake_idx               = 0, /* unused */       \
-       .forkexec_idx           = 0, /* unused */       \
        .flags                  = SD_LOAD_BALANCE       \
-                               | SD_SERIALIZE, \
+                               | SD_BALANCE_NEWIDLE    \
+                               | SD_WAKE_AFFINE        \
+                               | SD_SERIALIZE,         \
        .last_balance           = jiffies,              \
        .balance_interval       = 64,                   \
-       .nr_balance_failed      = 0,                    \
 }
 
 #ifdef CONFIG_NUMA
@@ -207,4 +179,17 @@ void arch_update_cpu_topology(void);
 #endif
 #endif /* CONFIG_NUMA */
 
+#ifndef topology_physical_package_id
+#define topology_physical_package_id(cpu)      ((void)(cpu), -1)
+#endif
+#ifndef topology_core_id
+#define topology_core_id(cpu)                  ((void)(cpu), 0)
+#endif
+#ifndef topology_thread_siblings
+#define topology_thread_siblings(cpu)          cpumask_of_cpu(cpu)
+#endif
+#ifndef topology_core_siblings
+#define topology_core_siblings(cpu)            cpumask_of_cpu(cpu)
+#endif
+
 #endif /* _LINUX_TOPOLOGY_H */