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-rw-r--r--include/linux/sched.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/sched.h b/include/linux/sched.h
index a96726658ec..5a933d92547 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -792,6 +792,19 @@ static inline int sd_balance_for_package_power(void)
return 0;
}
+/*
+ * Optimise SD flags for power savings:
+ * SD_BALANCE_NEWIDLE helps agressive task consolidation and power savings.
+ * Keep default SD flags if sched_{smt,mc}_power_saving=0
+ */
+
+static inline int sd_power_saving_flags(void)
+{
+ if (sched_mc_power_savings | sched_smt_power_savings)
+ return SD_BALANCE_NEWIDLE;
+
+ return 0;
+}
struct sched_group {
struct sched_group *next; /* Must be a circular list */