Messages in this thread | | | Date | Thu, 12 May 2005 05:56:17 +0200 | From | Stefan Smietanowski <> | Subject | Re: kernel (64bit) 4GB memory support |
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Lennart Sorensen wrote: > On Wed, May 11, 2005 at 02:48:42AM +0700, Rudolf Usselmann wrote: > >>I do see the full 4G. With Fedora Core 2 32bit, I can use all >>4G as well. All my problems started when I "upgraded" to x86_64 ... > > > In 32bit it probably uses the PSE36 extensions or something, which isn't > the same thing as flat 64bit memory access. It could just be a matter > of needing a memory hole somewhere for PCI space or something. I only > have 1G in my 64bit machine so I haven't got near these problems.
I don't recall him saying he's changed kernel from the default redhat kernel in which case he's running the RedHat 4G/4G split kernel and not using PSE/PAE.
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