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docs/rcu: Update the call_rcu() API 

This commit updates the documented API of call_rcu() to use the
rcu_callback_t typedef instead of the open-coded function definition.

Signed-off-by: Hui Su <sh_def@163.com>
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Hui Su 2020-10-15 22:13:34 +08:00 committed by Paul E. McKenney
parent a1b9dbb72b
commit c386e29d43
1 changed files with 1 additions and 2 deletions
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3
Documentation/RCU/whatisRCU.rst
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@ -497,8 +497,7 @@ long -- there might be other high-priority work to be done.
In such cases, one uses call_rcu() rather than synchronize_rcu(). In such cases, one uses call_rcu() rather than synchronize_rcu().
The call_rcu() API is as follows:: The call_rcu() API is as follows::
void call_rcu(struct rcu_head * head, void call_rcu(struct rcu_head *head, rcu_callback_t func);
void (*func)(struct rcu_head *head));
This function invokes func(head) after a grace period has elapsed. This function invokes func(head) after a grace period has elapsed.
This invocation might happen from either softirq or process context, This invocation might happen from either softirq or process context,