On Thu, 2005-05-12 at 05:56 +0200, Stefan Smietanowski wrote:
>>> 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.
On Thu, May 12, 2005 at 11:04:53AM +0700, Rudolf Usselmann wrote:
>> 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.
PSE36 is 4MB pages (no 4KB pages allowed!), 36-bit physical addresses.
-- wli
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