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From: Peter Chubb <peter@chubb.wattle.id.au>
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Date: Sun, 14 Mar 2004 16:22:42 +1100
To: William Lee Irwin III <wli@holomorphy.com>
CC: Andi Kleen <ak@suse.de>, Ray Bryant <raybry@sgi.com>,
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Subject: Re: [Lse-tech] Re: Hugetlbpages in very large memory machines.......
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>>>>> "William" == William Lee Irwin, <William> writes:

William> At some point in the past, I wrote:

William> On Sat, Mar 13, 2004 at 05:10:10PM +0100, Andi Kleen wrote:
>> Redesigning the low level TLB fault handling for this would not
>> count as "easily" in my book.

William> I make no estimate of ease of implementation of long mode
William> VHPT support.  The point of the above is that the virtual
William> placement constraint is an artifact of the implementation and
William> not inherent in hardware.

Ther's a patch available to enable long-format VHPT at
www.gelato.unsw.edu.au

We're waiting for 2.7 to open before pushing it in. The long-format
vpht is a prerequisite for other work we're doing on super-pagesand
TLB sharing.

--
Dr Peter Chubb  http://www.gelato.unsw.edu.au  peterc AT gelato.unsw.edu.au
The technical we do immediately,  the political takes *forever*
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