Re: [PATCH] kernel/rcu/tree.c: fix kernel-doc warnings
From: Paul E. McKenney
Date: Mon Jun 15 2020 - 16:31:49 EST
On Mon, Jun 15, 2020 at 12:28:05PM -0700, Randy Dunlap wrote:
> From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
>
> Fix kernel-doc warnings:
>
> ../kernel/rcu/tree.c:959: warning: Excess function parameter 'irq' description in 'rcu_nmi_enter'
> ../kernel/rcu/tree.c:3006: warning: Function parameter or member 'count' not described in 'kfree_rcu_cpu'
>
> Fixes: cf7614e13c8f ("rcu: Refactor rcu_{nmi,irq}_{enter,exit}()")
> Fixes: 9154244c1ab6 ("rcu/tree: Add a shrinker to prevent OOM due to kfree_rcu() batching")
> Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
> Cc: Byungchul Park <byungchul.park@xxxxxxx>
> Cc: Joel Fernandes (Google) <joel@xxxxxxxxxxxxxxxxx>
> Cc: Paul E. McKenney <paulmck@xxxxxxxxxx>
Someone beat you to the second hunk, but the first hunk is queued
and pushed, thank you!
Thanx, Paul
> ---
> Note: The first Fixes: commit ID might be incorrect.
>
> kernel/rcu/tree.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> --- linux-next-20200615.orig/kernel/rcu/tree.c
> +++ linux-next-20200615/kernel/rcu/tree.c
> @@ -944,7 +944,6 @@ void __rcu_irq_enter_check_tick(void)
>
> /**
> * rcu_nmi_enter - inform RCU of entry to NMI context
> - * @irq: Is this call from rcu_irq_enter?
> *
> * If the CPU was idle from RCU's viewpoint, update rdp->dynticks and
> * rdp->dynticks_nmi_nesting to let the RCU grace-period handling know
> @@ -2986,6 +2985,7 @@ struct kfree_rcu_cpu_work {
> * @monitor_work: Promote @head to @head_free after KFREE_DRAIN_JIFFIES
> * @monitor_todo: Tracks whether a @monitor_work delayed work is pending
> * @initialized: The @lock and @rcu_work fields have been initialized
> + * @count: Number of objects for which GP not started
> *
> * 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
> @@ -3001,7 +3001,6 @@ struct kfree_rcu_cpu {
> struct delayed_work monitor_work;
> bool monitor_todo;
> bool initialized;
> - // Number of objects for which GP not started
> int count;
> };
>
>
>