From mboxrd@z Thu Jan  1 00:00:00 1970
From: "Seth, Rohit" <rohit.seth@intel.com>
Date: Mon, 10 Nov 2003 18:02:29 +0000
Subject: RE: discontig patch question
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To: linux-ia64@vger.kernel.org



> > 
> > Why is MAX_ORDER 19 on IA64?
> 
> For hugetlbfs, afaik.  But it should only be 18 according to 
> arch/ia64/Kconfig.

That is correct. For the support of 4G hugepage size (when the normal
page size is 16K).  Kernel actually takes looks at MAX_ORDER -1 (and not
MAX_ORDER).