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authorThomas Gleixner <tglx@linutronix.de>2014-07-16 21:04:37 +0000
committerJohn Stultz <john.stultz@linaro.org>2014-07-23 10:18:06 -0700
commit68f6783d28316affcd2ce332d949e40e4c7416bd (patch)
treeb6e9e2b8aeaca7acbc425ae286a599d21882eeb2 /kernel/delayacct.c
parent9667a23db0dc0bd4892f0ada7e4e71528eaeed62 (diff)
downloadlinux-68f6783d28316affcd2ce332d949e40e4c7416bd.tar.bz2
delayacct: Remove braindamaged type conversions
Converting cputime to timespec and timespec to nanoseconds makes no sense. Use cputime_to_ns() and be done with it. Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: John Stultz <john.stultz@linaro.org>
Diffstat (limited to 'kernel/delayacct.c')
-rw-r--r--kernel/delayacct.c18
1 files changed, 7 insertions, 11 deletions
diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index cf2e65dddb19..ef90b04d783f 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -82,23 +82,19 @@ void __delayacct_blkio_end(void)
int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
{
- s64 tmp;
- unsigned long t1;
- unsigned long long t2, t3;
- unsigned long flags;
- struct timespec ts;
cputime_t utime, stime, stimescaled, utimescaled;
+ unsigned long long t2, t3;
+ unsigned long flags, t1;
+ s64 tmp;
- tmp = (s64)d->cpu_run_real_total;
task_cputime(tsk, &utime, &stime);
- cputime_to_timespec(utime + stime, &ts);
- tmp += timespec_to_ns(&ts);
+ tmp = (s64)d->cpu_run_real_total;
+ tmp += cputime_to_nsecs(utime + stime);
d->cpu_run_real_total = (tmp < (s64)d->cpu_run_real_total) ? 0 : tmp;
- tmp = (s64)d->cpu_scaled_run_real_total;
task_cputime_scaled(tsk, &utimescaled, &stimescaled);
- cputime_to_timespec(utimescaled + stimescaled, &ts);
- tmp += timespec_to_ns(&ts);
+ tmp = (s64)d->cpu_scaled_run_real_total;
+ tmp += cputime_to_nsecs(utimescaled + stimescaled);
d->cpu_scaled_run_real_total =
(tmp < (s64)d->cpu_scaled_run_real_total) ? 0 : tmp;