diff options
Diffstat (limited to 'kernel/rcupdate.c')
| -rw-r--r-- | kernel/rcupdate.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c index 2559d4b8f23..c4d159a21e0 100644 --- a/kernel/rcupdate.c +++ b/kernel/rcupdate.c @@ -154,6 +154,15 @@ void fastcall call_rcu_bh(struct rcu_head *head, } /* + * Return the number of RCU batches processed thus far. Useful + * for debug and statistics. + */ +long rcu_batches_completed(void) +{ + return rcu_ctrlblk.completed; +} + +/* * Invoke the completed RCU callbacks. They are expected to be in * a per-cpu list. */ @@ -501,6 +510,7 @@ void synchronize_kernel(void) } module_param(maxbatch, int, 0); +EXPORT_SYMBOL_GPL(rcu_batches_completed); EXPORT_SYMBOL(call_rcu); /* WARNING: GPL-only in April 2006. */ EXPORT_SYMBOL(call_rcu_bh); /* WARNING: GPL-only in April 2006. */ EXPORT_SYMBOL_GPL(synchronize_rcu); |