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    Subject[PATCH tip/core/rcu 14/23] rcu: Remove now-unused rcu_state fields
    Date
    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>
    ---
    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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