X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=include%2Fasm-ia64%2Ftopology.h;h=616b5ed2aa7277e12885e6e35805d4fcacf748d9;hb=43bc926fffd92024b46cafaf7350d669ba9ca884;hp=d4105bd764896e82d5eae7a23523ab6078893768;hpb=5273a3df6485dc2ad6aa7ddd441b9a21970f003b;p=linux-2.6.git

diff --git a/include/asm-ia64/topology.h b/include/asm-ia64/topology.h
index d4105bd76..616b5ed2a 100644
--- a/include/asm-ia64/topology.h
+++ b/include/asm-ia64/topology.h
@@ -18,6 +18,15 @@
 #include <asm/smp.h>
 
 #ifdef CONFIG_NUMA
+
+/* Nodes w/o CPUs are preferred for memory allocations, see build_zonelists */
+#define PENALTY_FOR_NODE_WITH_CPUS 255
+
+/*
+ * Distance above which we begin to use zone reclaim
+ */
+#define RECLAIM_DISTANCE 15
+
 /*
  * Returns the number of the node containing CPU 'cpu'
  */
@@ -38,15 +47,73 @@
 /*
  * Returns the number of the first CPU on Node 'node'.
  */
-#define node_to_first_cpu(node) (__ffs(node_to_cpumask(node)))
+#define node_to_first_cpu(node) (first_cpu(node_to_cpumask(node)))
 
-/* Cross-node load balancing interval. */
-#define NODE_BALANCE_RATE 10
+/*
+ * Determines the node for a given pci bus
+ */
+#define pcibus_to_node(bus) PCI_CONTROLLER(bus)->node
 
 void build_cpu_to_node_map(void);
 
+#define SD_CPU_INIT (struct sched_domain) {		\
+	.span			= CPU_MASK_NONE,	\
+	.parent			= NULL,			\
+	.groups			= NULL,			\
+	.min_interval		= 1,			\
+	.max_interval		= 4,			\
+	.busy_factor		= 64,			\
+	.imbalance_pct		= 125,			\
+	.per_cpu_gain		= 100,			\
+	.cache_nice_tries	= 2,			\
+	.busy_idx		= 2,			\
+	.idle_idx		= 1,			\
+	.newidle_idx		= 2,			\
+	.wake_idx		= 1,			\
+	.forkexec_idx		= 1,			\
+	.flags			= SD_LOAD_BALANCE	\
+				| SD_BALANCE_NEWIDLE	\
+				| SD_BALANCE_EXEC	\
+				| SD_WAKE_AFFINE,	\
+	.last_balance		= jiffies,		\
+	.balance_interval	= 1,			\
+	.nr_balance_failed	= 0,			\
+}
+
+/* sched_domains SD_NODE_INIT for IA64 NUMA machines */
+#define SD_NODE_INIT (struct sched_domain) {		\
+	.span			= CPU_MASK_NONE,	\
+	.parent			= NULL,			\
+	.groups			= NULL,			\
+	.min_interval		= 8,			\
+	.max_interval		= 8*(min(num_online_cpus(), 32)), \
+	.busy_factor		= 64,			\
+	.imbalance_pct		= 125,			\
+	.cache_nice_tries	= 2,			\
+	.busy_idx		= 3,			\
+	.idle_idx		= 2,			\
+	.newidle_idx		= 0, /* unused */	\
+	.wake_idx		= 1,			\
+	.forkexec_idx		= 1,			\
+	.per_cpu_gain		= 100,			\
+	.flags			= SD_LOAD_BALANCE	\
+				| SD_BALANCE_EXEC	\
+				| SD_BALANCE_FORK	\
+				| SD_WAKE_BALANCE,	\
+	.last_balance		= jiffies,		\
+	.balance_interval	= 64,			\
+	.nr_balance_failed	= 0,			\
+}
+
 #endif /* CONFIG_NUMA */
 
+#ifdef CONFIG_SMP
+#define topology_physical_package_id(cpu)	(cpu_data(cpu)->socket_id)
+#define topology_core_id(cpu)			(cpu_data(cpu)->core_id)
+#define topology_core_siblings(cpu)		(cpu_core_map[cpu])
+#define topology_thread_siblings(cpu)		(cpu_sibling_map[cpu])
+#endif
+
 #include <asm-generic/topology.h>
 
 #endif /* _ASM_IA64_TOPOLOGY_H */