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

[linux-2.6-microblaze.git] / include / linux / sched.h

diff --git a/include/linux/sched.h b/include/linux/sched.h
index ab8ffc5..0bc81a1 100644 (file)
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -570,6 +570,11 @@ enum idle_type
 #define SD_WAKE_AFFINE         32      /* Wake task to waking CPU */
 #define SD_WAKE_BALANCE                64      /* Perform balancing at task wakeup */
 #define SD_SHARE_CPUPOWER      128     /* Domain members share cpu power */
+#define SD_POWERSAVINGS_BALANCE        256     /* Balance for power savings */
+
+#define BALANCE_FOR_POWER      ((sched_mc_power_savings || sched_smt_power_savings) \
+                                ? SD_POWERSAVINGS_BALANCE : 0)
+
 
 struct sched_group {
        struct sched_group *next;       /* Must be a circular list */
@@ -1412,6 +1417,11 @@ static inline void arch_pick_mmap_layout(struct mm_struct *mm)
 extern long sched_setaffinity(pid_t pid, cpumask_t new_mask);
 extern long sched_getaffinity(pid_t pid, cpumask_t *mask);
 
+#include <linux/sysdev.h>
+extern int sched_mc_power_savings, sched_smt_power_savings;
+extern struct sysdev_attribute attr_sched_mc_power_savings, attr_sched_smt_power_savings;
+extern int sched_create_sysfs_power_savings_entries(struct sysdev_class *cls);
+
 extern void normalize_rt_tasks(void);
 
 #ifdef CONFIG_PM