Re: [Lse-tech] Re: Hugetlbpages in very large memory machines.......

From: William Lee Irwin III <>
Date: 2004-03-16 10:54:09
On Mon, Mar 15, 2004 at 12:45:10AM -0600, Ray Bryant wrote:
> I'd still rather see us do the "allocate on fault" approach with 
> prereservation to maintain the current ENOMEM return code from mmap()
> for hugepages. Let me work on that and get back to y'all with a patch
> and see where we can go from there.  I'll start by taking a look at
> all of the arch dependent hugetlbpage.c's and see how common they all
> are and move the common code up to mm/hugetlbpage.c.
> (or did WLI's note imply that this is impossible?)

It would be a mistake to put any pagetable handling functions in the
core. Things above that level, e.g. callers that don't examine the
pagetables directly in favor of calling lower-level API's, are fine.

-- wli
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Received on Mon Mar 15 18:55:24 2004

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