From: tip-bot for Morten Rasmussen <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: torvalds@linux-foundation.org, hpa@zytor.com,
morten.rasmussen@arm.com, peterz@infradead.org,
tglx@linutronix.de, mingo@kernel.org,
linux-kernel@vger.kernel.org
Subject: [tip:sched/core] sched/fair: Fix incorrect comment for capacity_margin
Date: Wed, 16 Nov 2016 04:14:39 -0800 [thread overview]
Message-ID: <tip-893c5d2279041afeb593f1fa8edd9d02edf5b7cb@git.kernel.org> (raw)
In-Reply-To: <1476452472-24740-7-git-send-email-morten.rasmussen@arm.com>
Commit-ID: 893c5d2279041afeb593f1fa8edd9d02edf5b7cb
Gitweb: http://git.kernel.org/tip/893c5d2279041afeb593f1fa8edd9d02edf5b7cb
Author: Morten Rasmussen <morten.rasmussen@arm.com>
AuthorDate: Fri, 14 Oct 2016 14:41:12 +0100
Committer: Ingo Molnar <mingo@kernel.org>
CommitDate: Wed, 16 Nov 2016 10:29:07 +0100
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.
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>
---
kernel/sched/fair.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index ee39bfd..5e6c00a 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -109,7 +109,7 @@ 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% */
prev parent reply other threads:[~2016-11-16 12:15 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-10-14 13:41 [PATCH v5 0/6] sched: Clean-ups and asymmetric cpu capacity support Morten Rasmussen
2016-10-14 13:41 ` [PATCH v5 1/6] sched/fair: Compute task/cpu utilization at wake-up correctly Morten Rasmussen
2016-11-16 12:12 ` [tip:sched/core] " tip-bot for Morten Rasmussen
2016-10-14 13:41 ` [PATCH v5 2/6] sched/fair: Consider spare capacity in find_idlest_group() Morten Rasmussen
2016-11-16 12:13 ` [tip:sched/core] " tip-bot for Morten Rasmussen
2016-10-14 13:41 ` [PATCH v5 3/6] sched: Add per-cpu min capacity to sched_group_capacity Morten Rasmussen
2016-11-16 12:13 ` [tip:sched/core] sched/fair: Add per-CPU " tip-bot for Morten Rasmussen
2016-10-14 13:41 ` [PATCH v5 4/6] sched/fair: Avoid pulling tasks from non-overloaded higher capacity groups Morten Rasmussen
2016-11-16 12:14 ` [tip:sched/core] " tip-bot for Morten Rasmussen
2016-10-14 13:41 ` [PATCH v5 5/6] sched/fair: Track peak per-entity utilization Morten Rasmussen
2016-10-17 8:51 ` Morten Rasmussen
2016-10-14 13:41 ` [PATCH v5 6/6] sched/fair: Fix wrong comment for capacity_margin Morten Rasmussen
2016-11-16 12:14 ` tip-bot for Morten Rasmussen [this message]
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