Commit-ID: f1ec57a462314f3d1cd0c9c8a04979228aa9d38c Gitweb: http://git.kernel.org/tip/f1ec57a462314f3d1cd0c9c8a04979228aa9d38c Author: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> AuthorDate: Tue, 21 Mar 2017 10:35:57 -0700 Committer: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> CommitDate: Tue, 18 Apr 2017 11:38:21 -0700 srcu: Allow a second bit in rcu_seq for SRCU state This commit increases the number of reserved bits at the bottom of an rcu_seq grace-period counter from one to two, as will be needed to accommodate SRCU's three-state grace periods. Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> --- kernel/rcu/rcu.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/rcu/rcu.h b/kernel/rcu/rcu.h index c62df93..87a0ac9 100644 --- a/kernel/rcu/rcu.h +++ b/kernel/rcu/rcu.h @@ -61,7 +61,7 @@ * Grace-period counter management. */ -#define RCU_SEQ_CTR_SHIFT 1 +#define RCU_SEQ_CTR_SHIFT 2 #define RCU_SEQ_STATE_MASK ((1 << RCU_SEQ_CTR_SHIFT) - 1) /* -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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