On Tue, Jan 23, 2018 at 10:59:30PM +0000, Bart Van Assche wrote: > On Tue, 2018-01-23 at 14:50 -0800, Paul E. McKenney wrote: > > > > 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: Bart Van Assche <Bart.VanAssche@xxxxxxx> > > Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxxxxxxxxxx> > > > > diff --git a/include/linux/rcupdate.h b/include/linux/rcupdate.h > > index 043d04784675..36360d07f25b 100644 > > --- a/include/linux/rcupdate.h > > +++ b/include/linux/rcupdate.h > > @@ -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); > > Thanks! > > Feel free to add: > > Reviewed-by: Bart Van Assche <bart.vanassche@xxxxxxx> > > Paul, Are you going to send it through your tree? Reviewed-by: Leon Romanovsky <leonro@xxxxxxxxxxxx>
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