linux-kernel - Re: [PATCH 2/3] sched,fair: Fix local starvation

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Message-ID: <CANRm+Cz3VFG57EqnHaFLe0-D+rhXAWmfqY3YauXSftUiYkwbEw@mail.gmail.com>
Date:	Sun, 22 May 2016 16:50:51 +0800
From:	Wanpeng Li <kernellwp@...il.com>
To:	Mike Galbraith <mgalbraith@...e.de>
Cc:	Peter Zijlstra <peterz@...radead.org>,
	Ingo Molnar <mingo@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Pavan Kondeti <pkondeti@...eaurora.org>,
	Ben Segall <bsegall@...gle.com>,
	Matt Fleming <matt@...eblueprint.co.uk>,
	Morten Rasmussen <morten.rasmussen@....com>,
	Paul Turner <pjt@...gle.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Byungchul Park <byungchul.park@....com>,
	Andrew Hunter <ahh@...gle.com>
Subject: Re: [PATCH 2/3] sched,fair: Fix local starvation

2016-05-22 16:39 GMT+08:00 Mike Galbraith <mgalbraith@...e.de>:
> On Sun, 2016-05-22 at 16:24 +0800, Wanpeng Li wrote:
>
>> Do all wakees live on some remote cache domain will not migrate or
>> just the ones which can't find an suitable cpu in current local
>> socket(failed in select_task_rq())?
>
> ??  The picture I drew already answered that.

I see, thanks for your great explanation. :-)

Regards,
Wanpeng Li