--- /dev/null
+From: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+Subject: cpufreq, ondemand: Use a parameter for down differential
+
+Use a parameter for down differential, instead of hardcoded 10%. Follow-on
+patch changes the down-differential dynamically, based on whether
+we are using idle micro-accounting or not.
+
+Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
+Signed-off-by: Thomas Renninger <trenn@suse.de>
+
+---
+ drivers/cpufreq/cpufreq_ondemand.c | 11 +++++++++--
+ 1 file changed, 9 insertions(+), 2 deletions(-)
+
+Index: cpufreq.git/drivers/cpufreq/cpufreq_ondemand.c
+===================================================================
+--- cpufreq.git.orig/drivers/cpufreq/cpufreq_ondemand.c 2008-07-31 14:52:10.000000000 -0700
++++ cpufreq.git/drivers/cpufreq/cpufreq_ondemand.c 2008-07-31 14:52:15.000000000 -0700
+@@ -24,6 +24,7 @@
+ * It helps to keep variable names smaller, simpler
+ */
+
++#define DEF_FREQUENCY_DOWN_DIFFERENTIAL (10)
+ #define DEF_FREQUENCY_UP_THRESHOLD (80)
+ #define MIN_FREQUENCY_UP_THRESHOLD (11)
+ #define MAX_FREQUENCY_UP_THRESHOLD (100)
+@@ -86,10 +87,12 @@ static struct workqueue_struct *kondeman
+ static struct dbs_tuners {
+ unsigned int sampling_rate;
+ unsigned int up_threshold;
++ unsigned int down_differential;
+ unsigned int ignore_nice;
+ unsigned int powersave_bias;
+ } dbs_tuners_ins = {
+ .up_threshold = DEF_FREQUENCY_UP_THRESHOLD,
++ .down_differential = DEF_FREQUENCY_DOWN_DIFFERENTIAL,
+ .ignore_nice = 0,
+ .powersave_bias = 0,
+ };
+@@ -424,9 +427,13 @@ static void dbs_check_cpu(struct cpu_dbs
+ * can support the current CPU usage without triggering the up
+ * policy. To be safe, we focus 10 points under the threshold.
+ */
+- if (max_load_freq < (dbs_tuners_ins.up_threshold - 10) * policy->cur) {
++ if (max_load_freq <
++ (dbs_tuners_ins.up_threshold - dbs_tuners_ins.down_differential) *
++ policy->cur) {
+ unsigned int freq_next;
+- freq_next = max_load_freq / (dbs_tuners_ins.up_threshold - 10);
++ freq_next = max_load_freq /
++ (dbs_tuners_ins.up_threshold -
++ dbs_tuners_ins.down_differential);
+
+ if (!dbs_tuners_ins.powersave_bias) {
+ __cpufreq_driver_target(policy, freq_next,
+
+--