Commit b5482a06 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

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: default avatarBart Van Assche <Bart.VanAssche@wdc.com>
Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
Reviewed-by: default avatarBart Van Assche <bart.vanassche@wdc.com>
Reviewed-by: default avatarLeon Romanovsky <leonro@mellanox.com>
parent a32e01ee

include/linux/rcupdate.h

+6 −4
Original line number Diff line number Diff line
@@ -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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