On Tue, Oct 13, 2020 at 01:54:25PM +0200, Mauro Carvalho Chehab wrote:
> Changeset 53c72b590b3a ("rcu/tree: cache specified number of objects")
> added new members for struct kfree_rcu_cpu, but didn't add the
> corresponding at the kernel-doc markup, as repoted when doing
> "make htmldocs":
> ./kernel/rcu/tree.c:3113: warning: Function parameter or member 'bkvcache' not described in 'kfree_rcu_cpu'
> ./kernel/rcu/tree.c:3113: warning: Function parameter or member 'nr_bkv_objs' not described in 'kfree_rcu_cpu'
>
> So, move the description for bkvcache to kernel-doc, and add a
> description for nr_bkv_objs.
>
> Fixes: 53c72b590b3a ("rcu/tree: cache specified number of objects")
> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@xxxxxxxxxx>
Queued for review and testing, likely target v5.11.
Thanx, Paul
> ---
> kernel/rcu/tree.c | 14 ++++++--------
> 1 file changed, 6 insertions(+), 8 deletions(-)
>
> diff --git a/kernel/rcu/tree.c b/kernel/rcu/tree.c
> index f78ee759af9c..03c54c3478b7 100644
> --- a/kernel/rcu/tree.c
> +++ b/kernel/rcu/tree.c
> @@ -3022,6 +3022,12 @@ struct kfree_rcu_cpu_work {
> * @monitor_todo: Tracks whether a @monitor_work delayed work is pending
> * @initialized: The @rcu_work fields have been initialized
> * @count: Number of objects for which GP not started
> + * @bkvcache:
> + * A simple cache list that contains objects for reuse purpose.
> + * In order to save some per-cpu space the list is singular.
> + * Even though it is lockless an access has to be protected by the
> + * per-cpu lock.
> + * @nr_bkv_objs: number of allocated objects at @bkvcache.
> *
> * This is a per-CPU structure. The reason that it is not included in
> * the rcu_data structure is to permit this code to be extracted from
> @@ -3037,14 +3043,6 @@ struct kfree_rcu_cpu {
> bool monitor_todo;
> bool initialized;
> int count;
> -
> - /*
> - * A simple cache list that contains objects for
> - * reuse purpose. In order to save some per-cpu
> - * space the list is singular. Even though it is
> - * lockless an access has to be protected by the
> - * per-cpu lock.
> - */
> struct llist_head bkvcache;
> int nr_bkv_objs;
> };
> --
> 2.26.2
>
