linux-kernel - Re: [PATCH 4/5] sched/fair: avoid double search on same cpu

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Message-ID: <20220829123659.xoeerauu72nrs7x4@techsingularity.net>
Date:   Mon, 29 Aug 2022 13:36:59 +0100
From:   Mel Gorman <mgorman@...hsingularity.net>
To:     Abel Wu <wuyun.abel@...edance.com>
Cc:     Peter Zijlstra <peterz@...radead.org>,
        Mel Gorman <mgorman@...e.de>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Josh Don <joshdon@...gle.com>, Chen Yu <yu.c.chen@...el.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] sched/fair: avoid double search on same cpu

On Tue, Jul 12, 2022 at 04:20:35PM +0800, Abel Wu wrote:
> The prev cpu is checked at the beginning of SIS, and it's unlikely
> to be idle before the second check in select_idle_smt(). So we'd
> better focus on its SMT siblings.
> 
> Signed-off-by: Abel Wu <wuyun.abel@...edance.com>
> Reviewed-by: Josh Don <joshdon@...gle.com>

Acked-by: Mel Gorman <mgorman@...hsingularity.net>

-- 
Mel Gorman
SUSE Labs