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Subject[tip: timers/core] time: Rename tsk->real_start_time to ->start_boottime
The following commit has been merged into the timers/core branch of tip:

Commit-ID: cf25e24db61cc9df42c47485a2ec2bff4e9a3692
Gitweb: https://git.kernel.org/tip/cf25e24db61cc9df42c47485a2ec2bff4e9a3692
Author: Peter Zijlstra <peterz@infradead.org>
AuthorDate: Thu, 07 Nov 2019 11:07:58 +01:00
Committer: Ingo Molnar <mingo@kernel.org>
CommitterDate: Wed, 13 Nov 2019 11:09:49 +01:00

time: Rename tsk->real_start_time to ->start_boottime

Since it stores CLOCK_BOOTTIME, not, as the name suggests,
CLOCK_REALTIME, let's rename ->real_start_time to ->start_bootime.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
fs/exec.c | 2 +-
fs/proc/array.c | 2 +-
include/linux/sched.h | 2 +-
kernel/fork.c | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/exec.c b/fs/exec.c
index 555e93c..f4d0f3a 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -1132,7 +1132,7 @@ static int de_thread(struct task_struct *tsk)
* also take its birthdate (always earlier than our own).
*/
tsk->start_time = leader->start_time;
- tsk->real_start_time = leader->real_start_time;
+ tsk->start_boottime = leader->start_boottime;

BUG_ON(!same_thread_group(leader, tsk));
BUG_ON(has_group_leader_pid(tsk));
diff --git a/fs/proc/array.c b/fs/proc/array.c
index 46dcb6f..5efaf37 100644
--- a/fs/proc/array.c
+++ b/fs/proc/array.c
@@ -533,7 +533,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns,
nice = task_nice(task);

/* convert nsec -> ticks */
- start_time = nsec_to_clock_t(task->real_start_time);
+ start_time = nsec_to_clock_t(task->start_boottime);

seq_put_decimal_ull(m, "", pid_nr_ns(pid, ns));
seq_puts(m, " (");
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 67a1d86..2541289 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -857,7 +857,7 @@ struct task_struct {
u64 start_time;

/* Boot based time in nsecs: */
- u64 real_start_time;
+ u64 start_boottime;

/* MM fault and swap info: this can arguably be seen as either mm-specific or thread-specific: */
unsigned long min_flt;
diff --git a/kernel/fork.c b/kernel/fork.c
index bcdf531..1392ee8 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -2130,7 +2130,7 @@ static __latent_entropy struct task_struct *copy_process(
*/

p->start_time = ktime_get_ns();
- p->real_start_time = ktime_get_boottime_ns();
+ p->start_boottime = ktime_get_boottime_ns();

/*
* Make it visible to the rest of the system, but dont wake it up yet.
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