Re: larger default page sizes...

From: David Miller
Date: Tue Mar 25 2008 - 19:22:56 EST


From: Christoph Lameter <clameter@xxxxxxx>
Date: Tue, 25 Mar 2008 10:48:19 -0700 (PDT)

> On Mon, 24 Mar 2008, David Miller wrote:
>
> > There are ways to get large pages into the process address space for
> > compute bound tasks, without suffering the well known negative side
> > effects of using larger pages for everything.
>
> These hacks have limitations. F.e. they do not deal with I/O and
> require application changes.

Transparent automatic hugepages are definitely doable, I don't know
why you think this requires application changes.

People want these larger pages for HPC apps.
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