linux-kernel - Re: [PATCH V2] x86/numa: kernel stack corruption fix

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Message-ID: <20150408014630.GF7213@localhost.localdomain>
Date:	Wed, 8 Apr 2015 09:46:30 +0800
From:	Dave Young <dyoung@...hat.com>
To:	Xishi Qiu <qiuxishi@...wei.com>
Cc:	x86@...nel.org, linux-kernel@...r.kernel.org, tglx@...utronix.de,
	bhe@...hat.com, akpm@...ux-foundation.org,
	isimatu.yasuaki@...fujitsu.com, mingo@...hat.com, hpa@...or.com
Subject: Re: [PATCH V2] x86/numa: kernel stack corruption fix

> >  
> > -	/* Mark all kernel nodes. */
> > +	/*
> > +	 * Mark all kernel nodes.
> > +	 *
> > +	 * In case booting with mem=nn[kMG] or in kdump kernel, numa_meminfo
> 
> Hi Dave,
> 
> It should both set mem=xx and numa=off, then numa_meminfo may not include all
> the memblock.reserved memory, right?

Yasuaki Ishimatsu suggests to remove numa=off in comment because in theory there's such
possiblity that it may happen even without numa=off. Just consider the non-snb board..

Thanks
Dave
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