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Date:   Mon, 16 Mar 2020 09:40:56 -0700
From:   Matthew Wilcox <willy@infradead.org>
To:     Yafang Shao <laoar.shao@gmail.com>
Cc:     hannes@cmpxchg.org, akpm@linux-foundation.org, mingo@redhat.com,
        peterz@infradead.org, juri.lelli@redhat.com,
        vincent.guittot@linaro.org, dietmar.eggemann@arm.com,
        rostedt@goodmis.org, bsegall@google.com, mgorman@suse.de,
        linux-mm@kvack.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 1/1] psi: move PF_MEMSTALL out of task->flags
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On Mon, Mar 16, 2020 at 06:46:25AM -0400, Yafang Shao wrote:
> +++ b/include/linux/sched.h
> @@ -786,6 +786,10 @@ struct task_struct {
>  	/* to be used once the psi infrastructure lands upstream. */

That comment looks out of date ...

>  	unsigned			use_memdelay:1;