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[PATCH] rcu: join rcu_ctrlblk and rcu_state

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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>
This commit is contained in:
Oleg Nesterov
2006-01-10 16:48:02 +03:00
committed by Linus Torvalds
parent c0400dc507
commit 69a0b31579
2 changed files with 42 additions and 44 deletions
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4
include/linux/rcupdate.h
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@@ -65,6 +65,10 @@ struct rcu_ctrlblk {
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 ? */