sched, cpuset: customize sched domains, core

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ada24022d23049418e915dc4a53cd7e8b8b7f75f..11f47249cdd2013c84625188202d8e58f7942f92 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -704,6 +704,7 @@ enum cpu_idle_type {
 #define SD_POWERSAVINGS_BALANCE        256     /* Balance for power savings */
 #define SD_SHARE_PKG_RESOURCES 512     /* Domain members share cpu pkg resources */
 #define SD_SERIALIZE           1024    /* Only a single load balancing instance */
+#define SD_WAKE_IDLE_FAR       2048    /* Gain latency sacrificing cache hit */
 
 #define BALANCE_FOR_MC_POWER   \
        (sched_smt_power_savings ? SD_POWERSAVINGS_BALANCE : 0)
@@ -733,6 +734,24 @@ struct sched_group {
        u32 reciprocal_cpu_power;
 };
 
+enum sched_domain_level {
+       SD_LV_NONE = 0,
+       SD_LV_SIBLING,
+       SD_LV_MC,
+       SD_LV_CPU,
+       SD_LV_NODE,
+       SD_LV_ALLNODES,
+       SD_LV_MAX
+};
+
+struct sched_domain_attr {
+       int relax_domain_level;
+};
+
+#define SD_ATTR_INIT   (struct sched_domain_attr) {    \
+       .relax_domain_level = -1,                       \
+}
+
 struct sched_domain {
        /* These fields must be setup */
        struct sched_domain *parent;    /* top domain must be null terminated */
@@ -750,6 +769,7 @@ struct sched_domain {
        unsigned int wake_idx;
        unsigned int forkexec_idx;
        int flags;                      /* See SD_* */
+       enum sched_domain_level level;
 
        /* Runtime fields. */
        unsigned long last_balance;     /* init to jiffies. units in jiffies */
@@ -789,7 +809,8 @@ struct sched_domain {
 #endif
 };
 
-extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new);
+extern void partition_sched_domains(int ndoms_new, cpumask_t *doms_new,
+                                   struct sched_domain_attr *dattr_new);
 extern int arch_reinit_sched_domains(void);
 
 #endif /* CONFIG_SMP */