linux-kernel - Re: [PATCH 5/9] rcu: Use MAX_NICE to replace hard coding of 19.

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Message-ID: <20140211153732.GA2985@leaf>
Date:	Tue, 11 Feb 2014 07:37:32 -0800
From:	Josh Triplett <josh@...edesktop.org>
To:	Dongsheng Yang <yangds.fnst@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>
Subject: Re: [PATCH 5/9] rcu: Use MAX_NICE to replace hard coding of 19.

On Tue, Feb 11, 2014 at 03:34:49PM +0800, Dongsheng Yang wrote:
> Signed-off-by: Dongsheng Yang <yangds.fnst@...fujitsu.com>
> cc: Josh Triplett <josh@...edesktop.org>
> cc: "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
> cc: Peter Zijlstra <peterz@...radead.org>
> cc: Ingo Molnar <mingo@...nel.org>

Reviewed-by: Josh Triplett <josh@...htriplett.org>

>  kernel/rcu/torture.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/kernel/rcu/torture.c b/kernel/rcu/torture.c
> index 732f8ae..219761d 100644
> --- a/kernel/rcu/torture.c
> +++ b/kernel/rcu/torture.c
> @@ -805,7 +805,7 @@ rcu_torture_writer(void *arg)
>  	static DEFINE_RCU_RANDOM(rand);
>  
>  	VERBOSE_PRINTK_STRING("rcu_torture_writer task started");
> -	set_user_nice(current, 19);
> +	set_user_nice(current, MAX_NICE);
>  
>  	do {
>  		schedule_timeout_uninterruptible(1);
> @@ -871,7 +871,7 @@ rcu_torture_fakewriter(void *arg)
>  	DEFINE_RCU_RANDOM(rand);
>  
>  	VERBOSE_PRINTK_STRING("rcu_torture_fakewriter task started");
> -	set_user_nice(current, 19);
> +	set_user_nice(current, MAX_NICE);
>  
>  	do {
>  		schedule_timeout_uninterruptible(1 + rcu_random(&rand)%10);
> @@ -987,7 +987,7 @@ rcu_torture_reader(void *arg)
>  	unsigned long long ts;
>  
>  	VERBOSE_PRINTK_STRING("rcu_torture_reader task started");
> -	set_user_nice(current, 19);
> +	set_user_nice(current, MAX_NICE);
>  	if (irqreader && cur_ops->irq_capable)
>  		setup_timer_on_stack(&t, rcu_torture_timer, 0);
>  
> @@ -1584,7 +1584,7 @@ static int rcu_torture_barrier_cbs(void *arg)
>  
>  	init_rcu_head_on_stack(&rcu);
>  	VERBOSE_PRINTK_STRING("rcu_torture_barrier_cbs task started");
> -	set_user_nice(current, 19);
> +	set_user_nice(current, MAX_NICE);
>  	do {
>  		wait_event(barrier_cbs_wq[myid],
>  			   (newphase =
> -- 
> 1.8.2.1
> 
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