From: Morten Rasmussen <morten.rasmussen@arm.com>
Date: Fri, 14 Oct 2016 13:41:12 +0000 (+0100)
Subject: UPSTREAM: sched/fair: Fix incorrect comment for capacity_margin
X-Git-Tag: release-20171130_firefly~4^2~100^2~62
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=810a5b6ce7217b7cb19713eac705cfe88d336a5b;p=firefly-linux-kernel-4.4.55.git

UPSTREAM: sched/fair: Fix incorrect comment for capacity_margin

The comment for capacity_margin introduced in:

  3273163c6775 ("sched/fair: Let asymmetric CPU configurations balance at wake-up")

... got its usage the wrong way round - fix it.

Change-Id: Ie46eac3e5ff43397b5bed61d0999d2817f1a1d96
Signed-off-by: Morten Rasmussen <morten.rasmussen@arm.com>
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: dietmar.eggemann@arm.com
Cc: freedom.tan@mediatek.com
Cc: keita.kobayashi.ym@renesas.com
Cc: mgalbraith@suse.de
Cc: sgurrappadi@nvidia.com
Cc: vincent.guittot@linaro.org
Cc: yuyang.du@intel.com
Link: http://lkml.kernel.org/r/1476452472-24740-7-git-send-email-morten.rasmussen@arm.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
(cherry picked from commit 893c5d2279041afeb593f1fa8edd9d02edf5b7cb)
Signed-off-by: Chris Redpath <chris.redpath@arm.com>
---

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index c00a8ae48a46..87c03eaacec4 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -130,7 +130,7 @@ unsigned int sysctl_sched_cfs_bandwidth_slice = 5000UL;
 
 /*
  * The margin used when comparing utilization with CPU capacity:
- * util * 1024 < capacity * margin
+ * util * margin < capacity * 1024
  */
 unsigned int capacity_margin = 1280; /* ~20% */