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SubjectRe: [PATCH tip/core/rcu 14/23] rcu: Remove now-unused rcu_state fields
On Thu, Aug 30, 2012 at 11:18:29AM -0700, Paul E. McKenney wrote:
> From: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com>
>
> Moving the RCU grace-period processing to a kthread and adjusting the
> tracing resulted in two of the rcu_state structure's fields being unused.
> This commit therefore removes them.
>
> Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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

> kernel/rcutree.h | 7 -------
> 1 files changed, 0 insertions(+), 7 deletions(-)
>
> diff --git a/kernel/rcutree.h b/kernel/rcutree.h
> index 2d4cc18..8f0293c 100644
> --- a/kernel/rcutree.h
> +++ b/kernel/rcutree.h
> @@ -378,13 +378,6 @@ struct rcu_state {
>
> u8 fqs_state ____cacheline_internodealigned_in_smp;
> /* Force QS state. */
> - u8 fqs_active; /* force_quiescent_state() */
> - /* is running. */
> - u8 fqs_need_gp; /* A CPU was prevented from */
> - /* starting a new grace */
> - /* period because */
> - /* force_quiescent_state() */
> - /* was running. */
> u8 boost; /* Subject to priority boost. */
> unsigned long gpnum; /* Current gp number. */
> unsigned long completed; /* # of last completed gp. */
> --
> 1.7.8
>


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