From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Mosberger <davidm@hpl.hp.com>
Date: Tue, 04 Dec 2001 19:54:43 +0000
Subject: [Linux-ia64] Re: [proposal] 4-level page-table for Linux/IA64
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>>>>> On Tue, 4 Dec 2001 17:07:04 +0800 , "Tang, Yu" <yu.tang@intel.com> said:

  Yu> hi david: I have one proposal here.  i don't know whether it has
  Yu> been raised before. if so, sorry for that; And here we go:

Unless I'm missing something, what you're proposing is not a 4-level
page table but a segmented address space.  The total mappable space
*at any given time* will still be limited to what you get with a
normal 3-level page table.  I doubt that's the right direction to go.

	--david