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[CPUFREQ] change cpu freq arrays to per_cpu variables

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Change cpufreq_policy and cpufreq_governor pointer tables
from arrays to per_cpu variables in the cpufreq subsystem.

Also some minor complaints from checkpatch.pl fixed.

Based on:
	git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git
	git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86.git

Signed-off-by: Mike Travis <travis@sgi.com>
Signed-off-by: Dave Jones <davej@redhat.com>
This commit is contained in:
Mike Travis
2008-03-25 15:06:53 -07:00
committed by Dave Jones
parent 860da5e578
commit 7a6aedfac9
3 changed files with 42 additions and 39 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/cpufreq/cpufreq_stats.c
+12 -12
View File
@@ -43,7 +43,7 @@ struct cpufreq_stats {
#endif
};
static struct cpufreq_stats *cpufreq_stats_table[NR_CPUS];
static DEFINE_PER_CPU(struct cpufreq_stats *, cpufreq_stats_table);
struct cpufreq_stats_attribute {
struct attribute attr;
@@ -58,7 +58,7 @@ cpufreq_stats_update (unsigned int cpu)
cur_time = get_jiffies_64();
spin_lock(&cpufreq_stats_lock);
stat = cpufreq_stats_table[cpu];
stat = per_cpu(cpufreq_stats_table, cpu);
if (stat->time_in_state)
stat->time_in_state[stat->last_index] =
cputime64_add(stat->time_in_state[stat->last_index],
@@ -71,11 +71,11 @@ cpufreq_stats_update (unsigned int cpu)
static ssize_t
show_total_trans(struct cpufreq_policy *policy, char *buf)
{
struct cpufreq_stats *stat = cpufreq_stats_table[policy->cpu];
struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table, policy->cpu);
if (!stat)
return 0;
return sprintf(buf, "%d\n",
cpufreq_stats_table[stat->cpu]->total_trans);
per_cpu(cpufreq_stats_table, stat->cpu)->total_trans);
}
static ssize_t
@@ -83,7 +83,7 @@ show_time_in_state(struct cpufreq_policy *policy, char *buf)
{
ssize_t len = 0;
int i;
struct cpufreq_stats *stat = cpufreq_stats_table[policy->cpu];
struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table, policy->cpu);
if (!stat)
return 0;
cpufreq_stats_update(stat->cpu);
@@ -101,7 +101,7 @@ show_trans_table(struct cpufreq_policy *policy, char *buf)
ssize_t len = 0;
int i, j;
struct cpufreq_stats *stat = cpufreq_stats_table[policy->cpu];
struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table, policy->cpu);
if (!stat)
return 0;
cpufreq_stats_update(stat->cpu);
@@ -170,7 +170,7 @@ freq_table_get_index(struct cpufreq_stats *stat, unsigned int freq)
static void cpufreq_stats_free_table(unsigned int cpu)
{
struct cpufreq_stats *stat = cpufreq_stats_table[cpu];
struct cpufreq_stats *stat = per_cpu(cpufreq_stats_table, cpu);
struct cpufreq_policy *policy = cpufreq_cpu_get(cpu);
if (policy && policy->cpu == cpu)
sysfs_remove_group(&policy->kobj, &stats_attr_group);
@@ -178,7 +178,7 @@ static void cpufreq_stats_free_table(unsigned int cpu)
kfree(stat->time_in_state);
kfree(stat);
}
cpufreq_stats_table[cpu] = NULL;
per_cpu(cpufreq_stats_table, cpu) = NULL;
if (policy)
cpufreq_cpu_put(policy);
}
@@ -192,7 +192,7 @@ cpufreq_stats_create_table (struct cpufreq_policy *policy,
struct cpufreq_policy *data;
unsigned int alloc_size;
unsigned int cpu = policy->cpu;
if (cpufreq_stats_table[cpu])
if (per_cpu(cpufreq_stats_table, cpu))
return -EBUSY;
if ((stat = kzalloc(sizeof(struct cpufreq_stats), GFP_KERNEL)) == NULL)
return -ENOMEM;
@@ -207,7 +207,7 @@ cpufreq_stats_create_table (struct cpufreq_policy *policy,
goto error_out;
stat->cpu = cpu;
cpufreq_stats_table[cpu] = stat;
per_cpu(cpufreq_stats_table, cpu) = stat;
for (i=0; table[i].frequency != CPUFREQ_TABLE_END; i++) {
unsigned int freq = table[i].frequency;
@@ -251,7 +251,7 @@ error_out:
cpufreq_cpu_put(data);
error_get_fail:
kfree(stat);
cpufreq_stats_table[cpu] = NULL;
per_cpu(cpufreq_stats_table, cpu) = NULL;
return ret;
}
@@ -284,7 +284,7 @@ cpufreq_stat_notifier_trans (struct notifier_block *nb, unsigned long val,
if (val != CPUFREQ_POSTCHANGE)
return 0;
stat = cpufreq_stats_table[freq->cpu];
stat = per_cpu(cpufreq_stats_table, freq->cpu);
if (!stat)
return 0;