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path: root/drivers/macintosh/rack-meter.c
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Diffstat (limited to 'drivers/macintosh/rack-meter.c')
-rw-r--r--drivers/macintosh/rack-meter.c11
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/macintosh/rack-meter.c b/drivers/macintosh/rack-meter.c
index 2637c139777..909908ebf16 100644
--- a/drivers/macintosh/rack-meter.c
+++ b/drivers/macintosh/rack-meter.c
@@ -83,11 +83,10 @@ static inline cputime64_t get_cpu_idle_time(unsigned int cpu)
{
cputime64_t retval;
- retval = cputime64_add(kstat_cpu(cpu).cpustat.idle,
- kstat_cpu(cpu).cpustat.iowait);
+ retval = kstat_cpu(cpu).cpustat.idle + kstat_cpu(cpu).cpustat.iowait;
if (rackmeter_ignore_nice)
- retval = cputime64_add(retval, kstat_cpu(cpu).cpustat.nice);
+ retval += kstat_cpu(cpu).cpustat.nice;
return retval;
}
@@ -220,13 +219,11 @@ static void rackmeter_do_timer(struct work_struct *work)
int i, offset, load, cumm, pause;
cur_jiffies = jiffies64_to_cputime64(get_jiffies_64());
- total_ticks = (unsigned int)cputime64_sub(cur_jiffies,
- rcpu->prev_wall);
+ total_ticks = (unsigned int) (cur_jiffies - rcpu->prev_wall);
rcpu->prev_wall = cur_jiffies;
total_idle_ticks = get_cpu_idle_time(cpu);
- idle_ticks = (unsigned int) cputime64_sub(total_idle_ticks,
- rcpu->prev_idle);
+ idle_ticks = (unsigned int) (total_idle_ticks - rcpu->prev_idle);
rcpu->prev_idle = total_idle_ticks;
/* We do a very dumb calculation to update the LEDs for now,