Messages in this thread | | | Subject | Re: AMD Athlon64 X2 Dual-core and 4GB | From | (Eric W. Biederman) | Date | Fri, 28 Oct 2005 10:52:32 -0600 |
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Vladimir Lazarenko <vlad@lazarenko.net> writes:
>>>>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?
Building a x86_64 kernel is a bit of a trick on a 32bit distro. You need an appropriate version of gcc, and binutils. But it runs fine.
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