mm: make lru_add_drain_all() selective

[pandora-kernel.git] / drivers / cpufreq / cpufreq_governor.c

diff --git a/drivers/cpufreq/cpufreq_governor.c b/drivers/cpufreq/cpufreq_governor.c
index 7b839a8..0806c31 100644 (file)
--- a/drivers/cpufreq/cpufreq_governor.c
+++ b/drivers/cpufreq/cpufreq_governor.c
@@ -16,15 +16,9 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
-#include <asm/cputime.h>
-#include <linux/cpufreq.h>
-#include <linux/cpumask.h>
 #include <linux/export.h>
 #include <linux/kernel_stat.h>
-#include <linux/mutex.h>
 #include <linux/slab.h>
-#include <linux/types.h>
-#include <linux/workqueue.h>
 
 #include "cpufreq_governor.h"
 
@@ -47,13 +41,13 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu)
        unsigned int j;
 
        if (dbs_data->cdata->governor == GOV_ONDEMAND)
-               ignore_nice = od_tuners->ignore_nice;
+               ignore_nice = od_tuners->ignore_nice_load;
        else
-               ignore_nice = cs_tuners->ignore_nice;
+               ignore_nice = cs_tuners->ignore_nice_load;
 
        policy = cdbs->cur_policy;
 
-       /* Get Absolute Load (in terms of freq for ondemand gov) */
+       /* Get Absolute Load */
        for_each_cpu(j, policy->cpus) {
                struct cpu_dbs_common_info *j_cdbs;
                u64 cur_wall_time, cur_idle_time;
@@ -104,14 +98,6 @@ void dbs_check_cpu(struct dbs_data *dbs_data, int cpu)
 
                load = 100 * (wall_time - idle_time) / wall_time;
 
-               if (dbs_data->cdata->governor == GOV_ONDEMAND) {
-                       int freq_avg = __cpufreq_driver_getavg(policy, j);
-                       if (freq_avg <= 0)
-                               freq_avg = policy->cur;
-
-                       load *= freq_avg;
-               }
-
                if (load > max_load)
                        max_load = load;
        }
@@ -133,8 +119,18 @@ void gov_queue_work(struct dbs_data *dbs_data, struct cpufreq_policy *policy,
 {
        int i;
 
+       if (!policy->governor_enabled)
+               return;
+
        if (!all_cpus) {
-               __gov_queue_work(smp_processor_id(), dbs_data, delay);
+               /*
+                * Use raw_smp_processor_id() to avoid preemptible warnings.
+                * We know that this is only called with all_cpus == false from
+                * works that have been queued with *_work_on() functions and
+                * those works are canceled during CPU_DOWN_PREPARE so they
+                * can't possibly run on any other CPU.
+                */
+               __gov_queue_work(raw_smp_processor_id(), dbs_data, delay);
        } else {
                for_each_cpu(i, policy->cpus)
                        __gov_queue_work(i, dbs_data, delay);
@@ -244,7 +240,7 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 
                policy->governor_data = dbs_data;
 
-               /* policy latency is in nS. Convert it to uS first */
+               /* policy latency is in ns. Convert it to us first */
                latency = policy->cpuinfo.transition_latency / 1000;
                if (latency == 0)
                        latency = 1;
@@ -298,12 +294,12 @@ int cpufreq_governor_dbs(struct cpufreq_policy *policy,
                cs_tuners = dbs_data->tuners;
                cs_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu);
                sampling_rate = cs_tuners->sampling_rate;
-               ignore_nice = cs_tuners->ignore_nice;
+               ignore_nice = cs_tuners->ignore_nice_load;
        } else {
                od_tuners = dbs_data->tuners;
                od_dbs_info = dbs_data->cdata->get_cpu_dbs_info_s(cpu);
                sampling_rate = od_tuners->sampling_rate;
-               ignore_nice = od_tuners->ignore_nice;
+               ignore_nice = od_tuners->ignore_nice_load;
                od_ops = dbs_data->cdata->gov_ops;
                io_busy = od_tuners->io_is_busy;
        }