linux-kernel - RE: [RFC PATCH 01/12] mm: add a new config to manage the code

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Message-ID: <3908561D78D1C84285E8C5FCA982C28F32A8E39B@ORSMSX114.amr.corp.intel.com>
Date:	Mon, 8 Jun 2015 15:14:27 +0000
From:	"Luck, Tony" <tony.luck@...el.com>
To:	Leon Romanovsky <leon@...n.nu>, Xishi Qiu <qiuxishi@...wei.com>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	"nao.horiguchi@...il.com" <nao.horiguchi@...il.com>,
	Yinghai Lu <yinghai@...nel.org>,
	"H. Peter Anvin" <hpa@...or.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	"mingo@...e.hu" <mingo@...e.hu>, Xiexiuqi <xiexiuqi@...wei.com>,
	Hanjun Guo <guohanjun@...wei.com>,
	Linux MM <linux-mm@...ck.org>,
	LKML <linux-kernel@...r.kernel.org>
Subject: RE: [RFC PATCH 01/12] mm: add a new config to manage the code

> > +config MEMORY_MIRROR
> > +       bool "Address range mirroring support"
> > +       depends on X86 && NUMA
> > +       default y
> Is it correct for the systems (NOT xeon) without memory support built in?

Is the "&& NUMA" doing that?  If you support NUMA, then you are not a minimal
config for a tablet or laptop.

If you want a symbol that has a stronger correlation to high end Xeon features
then perhaps MEMORY_FAILURE?

-Tony