linux-kernel - Re: remove used member(struct rcu_data::rcu

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Message-ID: <20080519122919.GA7515@linux.vnet.ibm.com>
Date:	Mon, 19 May 2008 05:29:19 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Lai Jiangshan <laijs@...fujitsu.com>
Cc:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: remove used member(struct rcu_data::rcu_tasklet)

On Mon, May 19, 2008 at 03:55:35PM +0800, Lai Jiangshan wrote:
> 	Since softirq works for rcu reclaimer, rcu_tasklet is unused now.

good catch!

Reviewed-by: Paul E. McKenney <paulmck@...ux.vnet.ibm.com>

> Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
> 
> diff --git a/kernel/rcupreempt.c b/kernel/rcupreempt.c
> index e1cdf19..4270de6 100644
> --- a/kernel/rcupreempt.c
> +++ b/kernel/rcupreempt.c
> @@ -82,7 +82,6 @@ struct rcu_data {
>  	spinlock_t	lock;		/* Protect rcu_data fields. */
>  	long		completed;	/* Number of last completed batch. */
>  	int		waitlistcount;
> -	struct tasklet_struct rcu_tasklet;
>  	struct rcu_head *nextlist;
>  	struct rcu_head **nexttail;
>  	struct rcu_head *waitlist[GP_STAGES];
> 
> 
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