提交 b5482a06 编写于 作者: P Paul E. McKenney

rcu: Fix init_rcu_head() comment.

The current (and implicit) comment header for init_rcu_head() and
destroy_rcu_head() incorrectly says that they are not needed for
statically allocated rcu_head structures.  This commit therefore
fixes this comment.
Reported-by: NBart Van Assche <Bart.VanAssche@wdc.com>
Signed-off-by: NPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: NBart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: NLeon Romanovsky <leonro@mellanox.com>
上级 a32e01ee
......@@ -214,10 +214,12 @@ do { \
#endif
/*
* init_rcu_head_on_stack()/destroy_rcu_head_on_stack() are needed for dynamic
* initialization and destruction of rcu_head on the stack. rcu_head structures
* allocated dynamically in the heap or defined statically don't need any
* initialization.
* The init_rcu_head_on_stack() and destroy_rcu_head_on_stack() calls
* are needed for dynamic initialization and destruction of rcu_head
* on the stack, and init_rcu_head()/destroy_rcu_head() are needed for
* dynamic initialization and destruction of statically allocated rcu_head
* structures. However, rcu_head structures allocated dynamically in the
* heap don't need any initialization.
*/
#ifdef CONFIG_DEBUG_OBJECTS_RCU_HEAD
void init_rcu_head(struct rcu_head *head);
......
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