From f1ec57a462314f3d1cd0c9c8a04979228aa9d38c Mon Sep 17 00:00:00 2001 From: "Paul E. McKenney" Date: Tue, 21 Mar 2017 10:35:57 -0700 Subject: [PATCH] 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 --- 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 c62df93bfc1b..87a0ac95b551 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) /*