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Date:   Tue, 18 Jan 2022 10:39:58 +0000
From:   Mel Gorman <mgorman@suse.de>
To:     Honglei Wang <wanghonglei@didichuxing.com>
Cc:     Ingo Molnar <mingo@redhat.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Juri Lelli <juri.lelli@redhat.com>,
        Vincent Guittot <vincent.guittot@linaro.org>,
        Dietmar Eggemann <dietmar.eggemann@arm.com>,
        Steven Rostedt <rostedt@goodmis.org>,
        Ben Segall <bsegall@google.com>,
        Daniel Bristot de Oliveira <bristot@redhat.com>,
        linux-kernel@vger.kernel.org,
        Honglei Wang <jameshongleiwang@126.com>
Subject: Re: [PATCH] sched/numa: initialize numa statistics when forking new
 task
Message-ID: <20220118103958.GT3301@suse.de>
References: <20220113133920.49900-1-wanghonglei@didichuxing.com>
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On Thu, Jan 13, 2022 at 09:39:20PM +0800, Honglei Wang wrote:
> The child processes will inherit numa_pages_migrated and
> total_numa_faults from the parent. It means even if there is no numa
> fault happen on the child, the statistics in /proc/$pid of the child
> process might show huge amount. This is a bit weird. Let's initialize
> them when do fork.
> 
> Signed-off-by: Honglei Wang <wanghonglei@didichuxing.com>

Acked-by: Mel Gorman <mgorman@suse.de>

-- 
Mel Gorman
SUSE Labs