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From: Daniel Lezcano <daniel.lezcano@linaro.org>
To: Preeti Murthy <preeti.lkml@gmail.com>
Cc: mingo@redhat.com, Peter Zijlstra <peterz@infradead.org>,
	linux-kernel@vger.kernel.org, linaro-kernel@lists.linaro.org
Subject: Re: [PATCH 4/7] sched: remove unused parameter in nohz_balancer_kick function
Date: Tue, 31 Dec 2013 16:02:14 +0100	[thread overview]
Message-ID: <52C2DC76.4020209@linaro.org> (raw)
In-Reply-To: <CAM4v1pP1=NaKcqki4yh=7gpyRJp8PD4UkQfXwFtd=LTnn7s5Pg@mail.gmail.com>

On 12/31/2013 12:17 PM, Preeti Murthy wrote:
> Hi Daniel,
>
> This patch looks correct to me.
> Reviewed-by: Preeti U Murthy <preeti@linux.vnet.ibm.com

Thanks Preeti for the review.

   -- Daniel

> <mailto:preeti@linux.vnet.ibm.com>>
>
>
> On Mon, Dec 30, 2013 at 7:14 PM, Daniel Lezcano
> <daniel.lezcano@linaro.org <mailto:daniel.lezcano@linaro.org>> wrote:
>
>     The cpu parameter is no longer needed in nohz_balancer_kick, let's
>     remove
>     the parameter.
>
>     Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org
>     <mailto:daniel.lezcano@linaro.org>>
>     ---
>       kernel/sched/fair.c |    6 ++----
>       1 file changed, 2 insertions(+), 4 deletions(-)
>
>     diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
>     index 1f7ed1a..c647c45 100644
>     --- a/kernel/sched/fair.c
>     +++ b/kernel/sched/fair.c
>     @@ -6517,7 +6517,7 @@ static inline int find_new_ilb(void)
>        * nohz_load_balancer CPU (if there is one) otherwise fallback to
>     any idle
>        * CPU (if there is one).
>        */
>     -static void nohz_balancer_kick(int cpu)
>     +static void nohz_balancer_kick(void)
>       {
>              int ilb_cpu;
>
>     @@ -6871,15 +6871,13 @@ static inline int on_null_domain(struct rq *rq)
>        */
>       void trigger_load_balance(struct rq *rq)
>       {
>     -       int cpu = rq->cpu;
>     -
>              /* Don't need to rebalance while attached to NULL domain */
>              if (time_after_eq(jiffies, rq->next_balance) &&
>                  likely(!on_null_domain(rq)))
>                      raise_softirq(SCHED_SOFTIRQ);
>       #ifdef CONFIG_NO_HZ_COMMON
>              if (nohz_kick_needed(rq) && likely(!on_null_domain(rq)))
>     -               nohz_balancer_kick(cpu);
>     +               nohz_balancer_kick();
>       #endif
>       }
>
>     --
>     1.7.9.5
>
>     --
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>


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  parent reply	other threads:[~2013-12-31 15:02 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-12-30 13:44 [PATCH 0/7] sched: cleanup trigger_load_balance Daniel Lezcano
2013-12-30 13:44 ` [PATCH 1/7] sched: reduce nohz_kick_needed parameters Daniel Lezcano
2013-12-30 13:44 ` [PATCH 2/7] sched: pass struct rq to on_null_domain function Daniel Lezcano
2013-12-30 13:44 ` [PATCH 3/7] sched: remove unused parameter for find_new_ilb Daniel Lezcano
2013-12-30 13:44 ` [PATCH 4/7] sched: remove unused parameter in nohz_balancer_kick function Daniel Lezcano
     [not found]   ` <CAM4v1pP1=NaKcqki4yh=7gpyRJp8PD4UkQfXwFtd=LTnn7s5Pg@mail.gmail.com>
2013-12-31 15:02     ` Daniel Lezcano [this message]
2013-12-30 13:44 ` [PATCH 5/7] sched: pass struct rq to rebalance_domains function Daniel Lezcano
2013-12-30 13:44 ` [PATCH 6/7] sched: pass struct rq to nohz_idle_balance function Daniel Lezcano
2013-12-30 13:44 ` [PATCH 7/7] sched: factor out on_null_domain check in trigger_load_balance function Daniel Lezcano
2013-12-31 16:28 ` [PATCH 0/7] sched: cleanup trigger_load_balance Peter Zijlstra
2013-12-31 17:19   ` Daniel Lezcano
2014-01-06 11:03     ` Peter Zijlstra
2014-01-06 11:25       ` Daniel Lezcano
2014-01-06 11:31         ` Peter Zijlstra

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