From: Vladimir Lazarenko <vlad@lazarenko.net>
To: thockin@hockin.org
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
linux-kernel@vger.kernel.org
Subject: Re: AMD Athlon64 X2 Dual-core and 4GB
Date: Fri, 28 Oct 2005 18:40:36 +0200 [thread overview]
Message-ID: <43625484.30100@lazarenko.net> (raw)
In-Reply-To: <20051028160403.GA26286@hockin.org>
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>>>Thus, the question - would I be able to use whole 4G RAM with dual-core amd and
>>>kernel with SMP compiled for i686?
>
>
> Why would you use a dual core AMD in 32 bit mode? Just build an x86_64
> kernel.
>
> If you want to use 4GB in 32 bit mode, you *need* remapping (or you lose
> part of your memory). Remapping means you have MORE than 4 GB of physical
> address, which means you need PAE to use it at all.
Because I find my distribution's 64-bit release reasonably unstable yet? :)
Or can I somehow build an x86_64 kernel and keep using 32-bit libc?
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next prev parent reply other threads:[~2005-10-28 16:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-27 21:03 AMD Athlon64 X2 Dual-core and 4GB Vladimir Lazarenko
2005-10-27 21:06 ` Joel Jaeggli
2005-10-27 21:06 ` Alejandro Bonilla
2005-10-28 15:30 ` Eric W. Biederman
2005-10-28 16:04 ` thockin
2005-10-28 16:13 ` Eric W. Biederman
2005-10-28 17:12 ` thockin
2005-10-28 21:27 ` Vladimir Lazarenko
2005-10-28 16:40 ` Vladimir Lazarenko [this message]
2005-10-28 16:52 ` Eric W. Biederman
2005-10-28 19:30 ` Miquel van Smoorenburg
2005-10-28 16:39 ` Vladimir Lazarenko
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