linux-kernel - Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks

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Date:	Wed, 30 Jul 2008 14:40:21 -0500
From:	Christoph Lameter <cl@...ux-foundation.org>
To:	Mel Gorman <mel@....ul.ie>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Eric Munson <ebmunson@...ibm.com>, linux-mm@...ck.org,
	linux-kernel@...r.kernel.org, linuxppc-dev@...abs.org,
	libhugetlbfs-devel@...ts.sourceforge.net,
	Andrew Hastings <abh@...y.com>
Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks

Mel Gorman wrote:

> With Erics patch and libhugetlbfs, we can automatically back text/data[1],
> malloc[2] and stacks without source modification. Fairly soon, libhugetlbfs
> will also be able to override shmget() to add SHM_HUGETLB. That should cover
> a lot of the memory-intensive apps without source modification.

So we are quite far down the road to having a VM that supports 2 page sizes 4k and 2M?

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