From: Peter Zijlstra <peterz@infradead.org>
To: Suren Baghdasaryan <surenb@google.com>
Cc: yang.yang29@zte.com.cn, mingo@redhat.com, axboe@kernel.dk,
tj@kernel.org, hannes@cmpxchg.org, juri.lelli@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] sched/psi: avoid resetting the min update period when it is unnecessary
Date: Mon, 15 May 2023 10:27:10 +0200 [thread overview]
Message-ID: <20230515082710.GE4253@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20230514163338.834345-1-surenb@google.com>
On Sun, May 14, 2023 at 09:33:38AM -0700, Suren Baghdasaryan wrote:
> From: Yang Yang <yang.yang29@zte.com.cn>
>
> Psi_group's poll_min_period is determined by the minimum 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 psi_trigger being
> destroyed did not have the minimum window size, since in this condition
> poll_min_period will remain the same as before.
>
> Signed-off-by: Yang Yang <yang.yang29@zte.com.cn>
> Acked-by: Suren Baghdasaryan <surenb@google.com>
> ---
> rebase of https://lore.kernel.org/all/202305121642367753446@zte.com.cn/
> over git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git sched/core branch
Thanks!
next prev parent reply other threads:[~2023-05-15 8:31 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-05-14 16:33 Suren Baghdasaryan
2023-05-15 8:27 ` Peter Zijlstra [this message]
2023-05-22 7:36 ` [tip: sched/core] sched/psi: Avoid " tip-bot2 for Yang Yang
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