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From: Peter Zijlstra <peterz@infradead.org>
To: Mel Gorman <mgorman@suse.de>
Cc: Miaohe Lin <linmiaohe@huawei.com>,
	mingo@redhat.com, juri.lelli@redhat.com,
	vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
	rostedt@goodmis.org, bsegall@google.com, bristot@redhat.com,
	vschneid@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] sched/fair: Use recent_used_cpu to test p->cpus_ptr
Date: Wed, 21 Jun 2023 13:32:33 +0200	[thread overview]
Message-ID: <20230621113233.GC2053369@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <20230621101915.k323amaxqxjjefzn@suse.de>

On Wed, Jun 21, 2023 at 11:19:15AM +0100, Mel Gorman wrote:
> On Tue, Jun 20, 2023 at 04:07:47PM +0800, Miaohe Lin wrote:
> > When checking whether a recently used CPU can be a potential idle
> > candidate, recent_used_cpu should be used to test p->cpus_ptr as
> > p->recent_used_cpu is not equal to recent_used_cpu and candidate
> > decision is made based on recent_used_cpu here.
> > 
> > Fixes: 89aafd67f28c ("sched/fair: Use prev instead of new target as recent_used_cpu")
> 
> Acked-by: Mel Gorman <mgorman@suse.de>

Thanks!

  reply	other threads:[~2023-06-21 11:32 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-20  8:07 Miaohe Lin
2023-06-20 17:49 ` Phil Auld
2023-06-21 10:19 ` Mel Gorman
2023-06-21 11:32   ` Peter Zijlstra [this message]
2023-07-10  8:13 ` [tip: sched/urgent] " tip-bot2 for Miaohe Lin

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