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authorH. Peter Anvin <hpa@zytor.com>2010-05-09 01:59:58 +0400
committerH. Peter Anvin <hpa@zytor.com>2010-05-09 01:59:58 +0400
commitd7be0ce6afb1df60bc786f57410407ceae92b994 (patch)
tree5e91acfc12c833531ad3320f274e0cd96a129973 /drivers/cpufreq/cpufreq_conservative.c
parente08cae4181af9483b04ecfac48f01c8e5a5f27bf (diff)
parent66f41d4c5c8a5deed66fdcc84509376c9a0bf9d8 (diff)
downloadlinux-d7be0ce6afb1df60bc786f57410407ceae92b994.tar.xz
Merge commit 'v2.6.34-rc6' into x86/cpu
Diffstat (limited to 'drivers/cpufreq/cpufreq_conservative.c')
-rw-r--r--drivers/cpufreq/cpufreq_conservative.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index ce5248e04218..526bfbf69611 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -428,6 +428,7 @@ static struct attribute_group dbs_attr_group_old = {
static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
{
unsigned int load = 0;
+ unsigned int max_load = 0;
unsigned int freq_target;
struct cpufreq_policy *policy;
@@ -485,6 +486,9 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
continue;
load = 100 * (wall_time - idle_time) / wall_time;
+
+ if (load > max_load)
+ max_load = load;
}
/*
@@ -495,7 +499,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
return;
/* Check for frequency increase */
- if (load > dbs_tuners_ins.up_threshold) {
+ if (max_load > dbs_tuners_ins.up_threshold) {
this_dbs_info->down_skip = 0;
/* if we are already at full speed then break out early */
@@ -522,7 +526,7 @@ static void dbs_check_cpu(struct cpu_dbs_info_s *this_dbs_info)
* can support the current CPU usage without triggering the up
* policy. To be safe, we focus 10 points under the threshold.
*/
- if (load < (dbs_tuners_ins.down_threshold - 10)) {
+ if (max_load < (dbs_tuners_ins.down_threshold - 10)) {
freq_target = (dbs_tuners_ins.freq_step * policy->max) / 100;
this_dbs_info->requested_freq -= freq_target;