linux-kernel - Re: [PATCH linux-next] sched/psi: avoid unnecessary resetting min update period when destroy trigger

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Message-Id: <20230426033144.15106-1-yang.yang29@zte.com.cn>
Date:   Wed, 26 Apr 2023 11:31:44 +0800
From:   Yang Yang <yang.yang29@....com.cn>
To:     mingo@...hat.com
Cc:     surenb@...gle.com, hannes@...xchg.org, juri.lelli@...hat.com,
        linux-kernel@...r.kernel.org, yang.yang29@....com.cn,
        peterz@...radead.org
Subject: Re: [PATCH linux-next] sched/psi: avoid unnecessary resetting min update period when destroy trigger

> On Mon, Apr 17, 2023 at 1:12 AM <yang.yang29@....com.cn> wrote:
>>
>> From: Yang Yang <yang.yang19@....com.cn>
>>
>> Psi_group's poll_min_period is determined by the min window size of
>> psi_trigger when creating new triggers. While destroying a psi_trigger,
>> there is no need to reset poll_min_period if the destroying psi_trigger
>> not had the min windows size, since in this condition poll_min_period
>> will keep the same as before.
>
> Nice optimization.
>
>>
>> Signed-off-by: Yang Yang <yang.yang29@....com.cn>
>
> Acked-by: Suren Baghdasaryan <surenb@...gle.com>

Hi, would you please take a review?
Thanks!