linux-kernel - [tip:sched/core] sched/deadline: Fix dl

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Date:   Thu, 8 Jun 2017 02:29:47 -0700
From:   tip-bot for Daniel Bristot de Oliveira <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, torvalds@...ux-foundation.org,
        tommaso.cucinotta@...up.it, linux-kernel@...r.kernel.org,
        juri.lelli@....com, luca.abeni@...tannapisa.it,
        romulo.deoliveira@...c.br, mingo@...nel.org, efault@....de,
        peterz@...radead.org, xpang@...hat.com, rostedt@...dmis.org,
        bristot@...hat.com, tglx@...utronix.de
Subject: [tip:sched/core] sched/deadline: Fix dl_bw comment

Commit-ID:  54d6d3039e2d84b6fbfbe59ec57d856371edf0a2
Gitweb:     http://git.kernel.org/tip/54d6d3039e2d84b6fbfbe59ec57d856371edf0a2
Author:     Daniel Bristot de Oliveira <bristot@...hat.com>
AuthorDate: Mon, 29 May 2017 16:24:02 +0200
Committer:  Ingo Molnar <mingo@...nel.org>
CommitDate: Thu, 8 Jun 2017 10:32:00 +0200

sched/deadline: Fix dl_bw comment

The sched_dl_entity's dl_bw variable stores the utilization (dl_runtime / dl_period)
of a task, not its density (dl_runtime / dl_deadline), as the comment says.

Signed-off-by: Daniel Bristot de Oliveira <bristot@...hat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Cc: Juri Lelli <juri.lelli@....com>
Cc: Linus Torvalds <torvalds@...ux-foundation.org>
Cc: Luca Abeni <luca.abeni@...tannapisa.it>
Cc: Mike Galbraith <efault@....de>
Cc: Peter Zijlstra <peterz@...radead.org>
Cc: Romulo Silva de Oliveira <romulo.deoliveira@...c.br>
Cc: Steven Rostedt <rostedt@...dmis.org>
Cc: Thomas Gleixner <tglx@...utronix.de>
Cc: Tommaso Cucinotta <tommaso.cucinotta@...up.it>
Cc: Xunlei Pang <xpang@...hat.com>
Link: http://lkml.kernel.org/r/8d05f1ccfd02da1a11bda62494d98f5456c1469a.1495803804.git.bristot@redhat.com
Signed-off-by: Ingo Molnar <mingo@...nel.org>
---
 include/linux/sched.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/sched.h b/include/linux/sched.h
index f1ead2e..3113c82 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -421,7 +421,7 @@ struct sched_dl_entity {
 	u64				dl_runtime;	/* Maximum runtime for each instance	*/
 	u64				dl_deadline;	/* Relative deadline of each instance	*/
 	u64				dl_period;	/* Separation of two instances (period) */
-	u64				dl_bw;		/* dl_runtime / dl_deadline		*/
+	u64				dl_bw;		/* dl_runtime / dl_period		*/
 
 	/*
 	 * Actual scheduling parameters. Initialized with the values above,