From: Peter Zijlstra <peterz@infradead.org>
To: Valentin Schneider <valentin.schneider@arm.com>
Cc: linux-kernel@vger.kernel.org, mingo@redhat.com,
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 13:41:04 +0100 [thread overview]
Message-ID: <20181030124104.GC8177@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <8e3c7f04-0d1e-cbe7-4762-b2b5cd42c79b@arm.com>
On Tue, Oct 30, 2018 at 10:27:59AM +0000, Valentin Schneider wrote:
> 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?
Have them now, Thanks!
next prev parent reply other threads:[~2018-10-30 15:30 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-09-26 15:12 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 ` [PATCH v2 1/2] sched/fair: Cleanup load_balance() condition Valentin Schneider
2018-10-30 12:41 ` Peter Zijlstra [this message]
2018-11-04 0:13 ` [tip:sched/core] sched/fair: Clean up " tip-bot for Valentin Schneider
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