From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Fabio De Francesco <fabiomdf@alice.it>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [x86_32] With 4GB installed, in which cases low mem total is less than 896MB?
Date: Wed, 30 Apr 2008 17:55:10 +0100 [thread overview]
Message-ID: <20080430175510.2ad08f61@core> (raw)
In-Reply-To: <200804301702.06019.fabiomdf@alice.it>
> Why is it needed to activate the PAE mechanism in order to see and use the whole 4GB memory? Is it what it is expected to be done?
>
> Thanks in advance to anyone who will reply.
The PCI hole has to be below 4GB so the Intel chipset maps some RAM above
4GB where PAE is needed to address it.
next prev parent reply other threads:[~2008-04-30 17:03 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-04-30 15:02 [x86_32] With 4GB installed, in which cases low mem total is less than 896MB? Fabio De Francesco
2008-04-29 17:18 ` Arjan van de Ven
2008-05-02 14:38 ` Fabio De Francesco
2008-05-02 15:47 ` Andi Kleen
2008-04-30 16:55 ` Alan Cox [this message]
2008-05-04 14:37 ` Rene Herman
2008-05-08 7:48 ` Fabio De Francesco
2008-05-08 12:35 ` Rene Herman
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