Merge branch 'for-linus' of master.kernel.org:/pub/scm/linux/kernel/git/roland/infiniband
[sfrench/cifs-2.6.git] / include / linux / topology.h
index 0320225e96da5b6b24bc5e3d5107fc55527e6aab..e8eb0040ce3a241928476e46f8c1e6ed673e158f 100644 (file)
 #define REMOTE_DISTANCE                20
 #define node_distance(from,to) ((from) == (to) ? LOCAL_DISTANCE : REMOTE_DISTANCE)
 #endif
+#ifndef RECLAIM_DISTANCE
+/*
+ * If the distance between nodes in a system is larger than RECLAIM_DISTANCE
+ * (in whatever arch specific measurement units returned by node_distance())
+ * then switch on zone reclaim on boot.
+ */
+#define RECLAIM_DISTANCE 20
+#endif
 #ifndef PENALTY_FOR_NODE_WITH_CPUS
 #define PENALTY_FOR_NODE_WITH_CPUS     (1)
 #endif
@@ -86,7 +94,6 @@
        .max_interval           = 2,                    \
        .busy_factor            = 8,                    \
        .imbalance_pct          = 110,                  \
-       .cache_hot_time         = 0,                    \
        .cache_nice_tries       = 0,                    \
        .per_cpu_gain           = 25,                   \
        .busy_idx               = 0,                    \
        .max_interval           = 4,                    \
        .busy_factor            = 64,                   \
        .imbalance_pct          = 125,                  \
-       .cache_hot_time         = (5*1000000/2),        \
        .cache_nice_tries       = 1,                    \
        .per_cpu_gain           = 100,                  \
        .busy_idx               = 2,                    \
 }
 #endif
 
+/* sched_domains SD_ALLNODES_INIT for NUMA machines */
+#define SD_ALLNODES_INIT (struct sched_domain) {       \
+       .span                   = CPU_MASK_NONE,        \
+       .parent                 = NULL,                 \
+       .groups                 = NULL,                 \
+       .min_interval           = 64,                   \
+       .max_interval           = 64*num_online_cpus(), \
+       .busy_factor            = 128,                  \
+       .imbalance_pct          = 133,                  \
+       .cache_hot_time         = (10*1000000),         \
+       .cache_nice_tries       = 1,                    \
+       .busy_idx               = 3,                    \
+       .idle_idx               = 3,                    \
+       .newidle_idx            = 0, /* unused */       \
+       .wake_idx               = 0, /* unused */       \
+       .forkexec_idx           = 0, /* unused */       \
+       .per_cpu_gain           = 100,                  \
+       .flags                  = SD_LOAD_BALANCE,      \
+       .last_balance           = jiffies,              \
+       .balance_interval       = 64,                   \
+       .nr_balance_failed      = 0,                    \
+}
+
 #ifdef CONFIG_NUMA
 #ifndef SD_NODE_INIT
 #error Please define an appropriate SD_NODE_INIT in include/asm/topology.h!!!