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authorPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-01-26 16:18:07 -0800
committerPaul E. McKenney <paulmck@linux.vnet.ibm.com>2017-04-18 11:38:17 -0700
commit9577df9a3122af08fff84b8a1a60dccf524a3891 (patch)
tree3c5f01e4cbdef694343d839b696a5ecbeb66472f /kernel/rcu/tree.h
parentabb06b99484a9f5af05c7147c289faf835f68e8e (diff)
rcu: Pull rcu_qs_ctr into rcu_dynticks structure
The rcu_qs_ctr variable is yet another isolated per-CPU variable, so this commit pulls it into the pre-existing rcu_dynticks per-CPU structure. Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'kernel/rcu/tree.h')
-rw-r--r--kernel/rcu/tree.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/rcu/tree.h b/kernel/rcu/tree.h
index e298281984dc..76e4467bc765 100644
--- a/kernel/rcu/tree.h
+++ b/kernel/rcu/tree.h
@@ -113,7 +113,8 @@ struct rcu_dynticks {
/* Process level is worth LLONG_MAX/2. */
int dynticks_nmi_nesting; /* Track NMI nesting level. */
atomic_t dynticks; /* Even value for idle, else odd. */
- int rcu_sched_qs_mask; /* GP old, need quiescent state. */
+ int rcu_sched_qs_mask; /* GP old, need heavy quiescent state. */
+ unsigned long rcu_qs_ctr; /* Light universal quiescent state ctr. */
#ifdef CONFIG_NO_HZ_FULL_SYSIDLE
long long dynticks_idle_nesting;
/* irq/process nesting level from idle. */