linux-kernel - Re: sched: CPU #1's llc-sibling CPU #0 is not on the same node!

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Message-ID: <5130CC92.1080003@zytor.com>
Date:	Fri, 01 Mar 2013 07:43:14 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Yinghai Lu <yinghai@...nel.org>
CC:	Yasuaki Ishimatsu <isimatu.yasuaki@...fujitsu.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Tang Chen <tangchen@...fujitsu.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	Don Morris <don.morris@...com>,
	Tim Gardner <tim.gardner@...onical.com>,
	Tejun Heo <tj@...nel.org>, Tony Luck <tony.luck@...el.com>,
	Thomas Renninger <trenn@...e.de>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Jarkko Sakkinen <jarkko.sakkinen@...el.com>,
	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Wen Congyang <wency@...fujitsu.com>,
	Lin Feng <linfeng@...fujitsu.com>,
	"guz.fnst@...fujitsu.com" <guz.fnst@...fujitsu.com>,
	Gui jianfeng <guijianfeng@...fujitsu.com>
Subject: Re: sched: CPU #1's llc-sibling CPU #0 is not on the same node!

On 02/28/2013 11:55 PM, Yinghai Lu wrote:
> 
> Let me try again:
> 
> movablemem_map is broken idea or poor design.
> 

Very much so.  I have said this before: this is potentially useful
during development/testing, but anyone who expects to actually tell
their customers to use it is abusive.

	-hpa

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