linux-kernel - Re: [PATCH v1 1/3] cgroup/rstat: add cgroup_rstat

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Message-ID: <20240423165350.GY42092@kernel.org>
Date: Tue, 23 Apr 2024 17:53:50 +0100
From: Simon Horman <horms@...nel.org>
To: Jesper Dangaard Brouer <hawk@...nel.org>
Cc: tj@...nel.org, hannes@...xchg.org, lizefan.x@...edance.com,
	cgroups@...r.kernel.org, yosryahmed@...gle.com, longman@...hat.com,
	netdev@...r.kernel.org, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, shakeel.butt@...ux.dev,
	kernel-team@...udflare.com,
	Arnaldo Carvalho de Melo <acme@...nel.org>,
	Sebastian Andrzej Siewior <bigeasy@...utronix.de>,
	mhocko@...nel.org
Subject: Re: [PATCH v1 1/3] cgroup/rstat: add cgroup_rstat_lock helpers and
 tracepoints

On Tue, Apr 16, 2024 at 07:51:26PM +0200, Jesper Dangaard Brouer wrote:

..

>  /**
>   * cgroup_rstat_flush_release - release cgroup_rstat_flush_hold()
>   */

Hi Jesper,

as a follow-up could you add an entry for cgrp to the kernel doc above?

> -void cgroup_rstat_flush_release(void)
> +void cgroup_rstat_flush_release(struct cgroup *cgrp)
>  	__releases(&cgroup_rstat_lock)
>  {
> -	spin_unlock_irq(&cgroup_rstat_lock);
> +	__cgroup_rstat_unlock(cgrp, -1);
>  }

..