linux-kernel - [tip:sched/urgent] sched: Fix comment for sched_info

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Date:	Mon, 16 Sep 2013 07:07:36 -0700
From:	"tip-bot for Michael S. Tsirkin" <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...nel.org,
	mst@...hat.com, peterz@...radead.org, fweisbec@...il.com,
	tglx@...utronix.de, kosaki.motohiro@...fujitsu.com
Subject: [tip:sched/urgent] sched: Fix comment for sched_info_depart

Commit-ID:  13b62e46d5407c7d619aea1dc9c3e0991b631b57
Gitweb:     http://git.kernel.org/tip/13b62e46d5407c7d619aea1dc9c3e0991b631b57
Author:     Michael S. Tsirkin <mst@...hat.com>
AuthorDate: Mon, 16 Sep 2013 11:30:36 +0300
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Mon, 16 Sep 2013 11:18:34 +0200

sched: Fix comment for sched_info_depart

sched_info_depart seems to be only called from
sched_info_switch(), so only on involuntary task switch.

Fix the comment to match.

Signed-off-by: Michael S. Tsirkin <mst@...hat.com>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
Cc: KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Link: http://lkml.kernel.org/r/20130916083036.GA1113@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 kernel/sched/stats.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/kernel/sched/stats.h b/kernel/sched/stats.h
index 5aef494..c7edee7 100644
--- a/kernel/sched/stats.h
+++ b/kernel/sched/stats.h
@@ -104,8 +104,9 @@ static inline void sched_info_queued(struct task_struct *t)
 }
 
 /*
- * Called when a process ceases being the active-running process, either
- * voluntarily or involuntarily.  Now we can calculate how long we ran.
+ * Called when a process ceases being the active-running process involuntarily
+ * due, typically, to expiring its time slice (this may also be called when
+ * switching to the idle task).  Now we can calculate how long we ran.
  * Also, if the process is still in the TASK_RUNNING state, call
  * sched_info_queued() to mark that it has now again started waiting on
  * the runqueue.
--
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