linux-kernel - Re: [PATCH] mm: Introduce kernelcore=reliable option

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Message-ID: <56330C0A.3060901@jp.fujitsu.com>
Date:	Fri, 30 Oct 2015 15:19:54 +0900
From:	Kamezawa Hiroyuki <kamezawa.hiroyu@...fujitsu.com>
To:	"Luck, Tony" <tony.luck@...el.com>,
	"Izumi, Taku" <izumi.taku@...fujitsu.com>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mm@...ck.org" <linux-mm@...ck.org>,
	"qiuxishi@...wei.com" <qiuxishi@...wei.com>,
	"mel@....ul.ie" <mel@....ul.ie>,
	"akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
	"Hansen, Dave" <dave.hansen@...el.com>,
	"matt@...eblueprint.co.uk" <matt@...eblueprint.co.uk>
Subject: Re: [PATCH] mm: Introduce kernelcore=reliable option

On 2015/10/23 10:44, Luck, Tony wrote:
> First part of each memory controller. I have two memory controllers on each node
> 

If each memory controller has the same distance/latency, you (your firmware) don't need
to allocate reliable memory per each memory controller.
If distance is problem, another node should be allocated.

...is the behavior(splitting zone) really required ?

Thanks,
-Kame

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