linux-kernel - Re: [PATCH v4 3/4] sched/psi: extract update

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Message-ID: <ZCRfPYKqIJpLxGJM@cmpxchg.org>
Date:   Wed, 29 Mar 2023 11:54:37 -0400
From:   Johannes Weiner <hannes@...xchg.org>
To:     Domenico Cerasuolo <cerasuolodomenico@...il.com>
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        surenb@...gle.com, brauner@...nel.org, chris@...isdown.name
Subject: Re: [PATCH v4 3/4] sched/psi: extract update_triggers side effect

On Wed, Mar 29, 2023 at 05:33:26PM +0200, Domenico Cerasuolo wrote:
> This change moves update_total flag out of update_triggers function,
> currently called only in psi_poll_work.
> In the next patch, update_triggers will be called also in psi_avgs_work,
> but the total update information is specific to psi_poll_work.
> Returning update_total value to the caller let us avoid differentiating
> the implementation of update_triggers for different aggregators.
> 
> Suggested-by: Johannes Weiner <hannes@...xchg.org>
> Signed-off-by: Domenico Cerasuolo <cerasuolodomenico@...il.com>

Acked-by: Johannes Weiner <hannes@...xchg.org>