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Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks
From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Eric Munson <ebmunson@us.ibm.com>
In-Reply-To: <cover.1216928613.git.ebmunson@us.ibm.com>
References: <cover.1216928613.git.ebmunson@us.ibm.com>
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Date: Mon, 28 Jul 2008 13:33:24 -0700
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Cc: linux-mm@kvack.org, libhugetlbfs-devel@lists.sourceforge.net,
	linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
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On Mon, 2008-07-28 at 12:17 -0700, Eric Munson wrote:
> 
> This patch stack introduces a personality flag that indicates the
> kernel
> should setup the stack as a hugetlbfs-backed region. A userspace
> utility
> may set this flag then exec a process whose stack is to be backed by
> hugetlb pages.

I didn't see it mentioned here, but these stacks are fixed-size, right?
They can't actually grow and are fixed in size at exec() time, right?

-- Dave