fs/proc/uptime.c:uptime_proc_show(): use get_monotonic_boottime()
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 <20b70f0af00562e63758b9ee42012ecc96c58590@redhat.com>
Cc: "Eric W. Biederman" <8a741aa8cbd77ebc4a56ddb528ce9fd15d42f034@xmission.com>
Acked-by: John Stultz <2dbbc9a029f6af74f2c2786ce8fa25d932fcaf8c@us.ibm.com>
Cc: Tomas Janousek <1b6a93df90be4b2bdc555c5023a5f8586d70e0f8@redhat.com>
Cc: Tomas Smetana <6786b2adf055d2606b4996a0fed15b0cdeabc90d@redhat.com>
Signed-off-by: Andrew Morton <5c1e68b099950c134891f0b6e179498a8ebe9cf9@linux-foundation.org>
Signed-off-by: Linus Torvalds <69652caca27c8b940640ad396ab71f93cacec34f@linux-foundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs