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srcu: Add grace-period sequence numbers

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This commit adds grace-period sequence numbers, which will be used to
handle mid-boot grace periods and per-CPU callback lists.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2017-03-11 07:14:06 -08:00
parent c2a8ec0778
commit ac367c1c62
2 changed files with 24 additions and 4 deletions
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1
include/linux/srcu.h
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@ -46,6 +46,7 @@ struct rcu_batch {
struct srcu_struct {
unsigned long completed;
unsigned long srcu_gp_seq;
struct srcu_array __percpu *per_cpu_ref;
spinlock_t queue_lock; /* protect ->batch_queue, ->running */
int srcu_state;