fs/proc/uptime.c:uptime_proc_show(): use get_monotonic_boottime()

Change uptime_proc_show() to use get_monotonic_boottime() instead of
do_posix_clock_monotonic_gettime() + monotonic_to_bootbased().

Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Acked-by: John Stultz <johnstul@us.ibm.com>
Cc: Tomas Janousek <tjanouse@redhat.com>
Cc: Tomas Smetana <tsmetana@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Oleg Nesterov 2013-07-03 15:08:27 -07:00 committed by Linus Torvalds
parent 81dabb4641
commit 1d98a5fa11

View file

@ -20,8 +20,7 @@ static int uptime_proc_show(struct seq_file *m, void *v)
for_each_possible_cpu(i) for_each_possible_cpu(i)
idletime += (__force u64) kcpustat_cpu(i).cpustat[CPUTIME_IDLE]; idletime += (__force u64) kcpustat_cpu(i).cpustat[CPUTIME_IDLE];
do_posix_clock_monotonic_gettime(&uptime); get_monotonic_boottime(&uptime);
monotonic_to_bootbased(&uptime);
nsec = cputime64_to_jiffies64(idletime) * TICK_NSEC; nsec = cputime64_to_jiffies64(idletime) * TICK_NSEC;
idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem); idle.tv_sec = div_u64_rem(nsec, NSEC_PER_SEC, &rem);
idle.tv_nsec = rem; idle.tv_nsec = rem;