Messages in this thread | | | Date | Tue, 25 Mar 2008 11:54:38 -0500 | From | Jack Steiner <> | Subject | Re: [PATCH] - Increase max physical memory size of x86_64 |
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On Tue, Mar 25, 2008 at 05:41:54PM +0100, Andreas Herrmann wrote: > On Fri, Mar 21, 2008 at 08:31:57AM -0500, Jack Steiner wrote: > > Increase the maximum physical address size of x86_64 system > > to 44-bits. This is in preparation for future chips that > > support larger physical memory sizes. > > Shouldn't this be increased to 48? > AMD family 10h CPUs actually support 48 bits for the > physical address.
You are probably correct but I don't work with AMD processors and don't understand their requirements. If someone wants to submit a patch to support larger phys memory sizes, I certainly have no objections....
--- jack
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