From: Valentin Schneider <valentin.schneider@arm.com>
To: linux-kernel@vger.kernel.org
Cc: mingo@redhat.com, peterz@infradead.org,
vincent.guittot@linaro.org, Dietmar.Eggemann@arm.com,
patrick.bellasi@arm.com
Subject: Re: [PATCH v2 1/2] sched/fair: Cleanup load_balance() condition
Date: Tue, 30 Oct 2018 10:27:59 +0000 [thread overview]
Message-ID: <8e3c7f04-0d1e-cbe7-4762-b2b5cd42c79b@arm.com> (raw)
In-Reply-To: <1537974727-30788-1-git-send-email-valentin.schneider@arm.com>
Hi,
On 26/09/2018 16:12, Valentin Schneider wrote:
> The alignment of the condition is off, clean that up.
>
> Also, logical operators have lower precedence than bitwise/relational
> operators, so remove one layer of parentheses to make the condition a
> bit simpler to follow.
>
> Signed-off-by: Valentin Schneider <valentin.schneider@arm.com>
> ---
> kernel/sched/fair.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
> index 6bd142d..9cf93ba 100644
> --- a/kernel/sched/fair.c
> +++ b/kernel/sched/fair.c
> @@ -8783,9 +8783,9 @@ static int load_balance(int this_cpu, struct rq *this_rq,
>
> out_one_pinned:
> /* tune up the balancing interval */
> - if (((env.flags & LBF_ALL_PINNED) &&
> - sd->balance_interval < MAX_PINNED_INTERVAL) ||
> - (sd->balance_interval < sd->max_interval))
> + if ((env.flags & LBF_ALL_PINNED &&
> + sd->balance_interval < MAX_PINNED_INTERVAL) ||
> + sd->balance_interval < sd->max_interval)
> sd->balance_interval *= 2;
>
> ld_moved = 0;
>
Is there anything else that should be done for these two patches?
Thanks,
Valentin
next prev parent reply other threads:[~2018-10-30 10:28 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 15:12 [PATCH v2 1/2] sched/fair: Cleanup load_balance() condition Valentin Schneider
2018-09-26 15:12 ` [PATCH v2 2/2] sched/fair: Don't increase sd->balance_interval on newidle balance Valentin Schneider
2018-11-04 0:13 ` [tip:sched/core] " tip-bot for Valentin Schneider
2018-10-30 10:27 ` Valentin Schneider [this message]
2018-10-30 12:41 ` [PATCH v2 1/2] sched/fair: Cleanup load_balance() condition Peter Zijlstra
2018-11-04 0:13 ` [tip:sched/core] sched/fair: Clean up " tip-bot for Valentin Schneider
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