[PATCH] rcu: join rcu_ctrlblk and rcu_state
This patch moves rcu_state into the rcu_ctrlblk. I think there
are no reasons why we should have 2 different variables to control
rcu state. Every user of rcu_state has also "rcu_ctrlblk *rcp" in
the parameter list.
Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Paul E. McKenney <paulmck@us.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h
index a1d26cb..981f9aa 100644
--- a/include/linux/rcupdate.h
+++ b/include/linux/rcupdate.h
@@ -65,6 +65,10 @@
long cur; /* Current batch number. */
long completed; /* Number of the last completed batch */
int next_pending; /* Is the next batch already waiting? */
+
+ spinlock_t lock ____cacheline_internodealigned_in_smp;
+ cpumask_t cpumask; /* CPUs that need to switch in order */
+ /* for current batch to proceed. */
} ____cacheline_internodealigned_in_smp;
/* Is batch a before batch b ? */