Subject: Re: 4GB memory and Intel Dual-Core system
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Alejandro Bonilla Beeche <abonilla@linuxwireless.org>
Cc: Marcel Holtmann <marcel@holtmann.org>, Dave Jones <davej@redhat.com>,
       linux-kernel@vger.kernel.org
In-Reply-To: <4365920D.2080009@linuxwireless.org>
References: <1130445194.5416.3.camel@blade> <52mzkuwuzg.fsf@cisco.com>
	 <20051027204923.M89071@linuxwireless.org> <1130446667.5416.14.camel@blade>
	 <20051027205921.M81949@linuxwireless.org> <1130447261.5416.20.camel@blade>
	 <20051027211203.M33358@linuxwireless.org>
	 <20051027220533.GA18773@redhat.com> <1130451071.5416.32.camel@blade>
	 <20051027221253.GA25932@redhat.com> <1130451421.5416.35.camel@blade>
	 <20051027221756.M55421@linuxwireless.org>
	 <1130711165.32734.11.camel@localhost.localdomain>
	 <4365920D.2080009@linuxwireless.org>
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Date: Mon, 31 Oct 2005 13:02:39 +0000
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On Sul, 2005-10-30 at 20:39 -0700, Alejandro Bonilla Beeche wrote:
> I guess you are right and wrong. The architecture has the limitation, 
> the chipset as well and the OS. According to this document, it is the 
> fault of the architecture as well as it requires to support addressing 
> which is not available *stock*, only several other providers have added 
> such "mapping" to get a better use of the memory.

That document reads like a "don't blame us because we didn't bother to
do remapping". That is an Intel business decision not a hardware limit,
as is shown by other vendors whose hardware can do the remap.


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