linux-kernel - [tip: sched/core] sched/pelt: Remove redundant cap

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Message-ID: <159231011668.16989.7990284675684399097.tip-bot2@tip-bot2>
Date:   Tue, 16 Jun 2020 12:21:56 -0000
From:   "tip-bot2 for Dietmar Eggemann" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Dietmar Eggemann <dietmar.eggemann@....com>,
        "Peter Zijlstra (Intel)" <peterz@...radead.org>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: sched/core] sched/pelt: Remove redundant cap_scale() definition

The following commit has been merged into the sched/core branch of tip:

Commit-ID:     844eb6458facb09d4871a480d8bda06550927a80
Gitweb:        https://git.kernel.org/tip/844eb6458facb09d4871a480d8bda06550927a80
Author:        Dietmar Eggemann <dietmar.eggemann@....com>
AuthorDate:    Wed, 03 Jun 2020 10:03:01 +02:00
Committer:     Peter Zijlstra <peterz@...radead.org>
CommitterDate: Mon, 15 Jun 2020 14:10:01 +02:00

sched/pelt: Remove redundant cap_scale() definition

Besides in PELT cap_scale() is used in the Deadline scheduler class for
scale-invariant bandwidth enforcement.
Remove the cap_scale() definition in kernel/sched/pelt.c and keep the
one in kernel/sched/sched.h.

Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@...radead.org>
Reviewed-by: Vincent Guittot <vincent.guittot@...aro.org>
Link: https://lkml.kernel.org/r/20200603080304.16548-2-dietmar.eggemann@arm.com
---
 kernel/sched/pelt.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/kernel/sched/pelt.c b/kernel/sched/pelt.c
index b4b1ff9..dea5567 100644
--- a/kernel/sched/pelt.c
+++ b/kernel/sched/pelt.c
@@ -83,8 +83,6 @@ static u32 __accumulate_pelt_segments(u64 periods, u32 d1, u32 d3)
 	return c1 + c2 + c3;
 }
 
-#define cap_scale(v, s) ((v)*(s) >> SCHED_CAPACITY_SHIFT)
-
 /*
  * Accumulate the three separate parts of the sum; d1 the remainder
  * of the last (incomplete) period, d2 the span of full periods and d3