From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Eric Munson <ebmunson@us.ibm.com>
Cc: linux-mm@kvack.org, libhugetlbfs-devel@lists.sourceforge.net,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org
Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks
Date: Mon, 28 Jul 2008 13:33:24 -0700 [thread overview]
Message-ID: <1217277204.23502.36.camel@nimitz> (raw)
In-Reply-To: <cover.1216928613.git.ebmunson@us.ibm.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Eric Munson <ebmunson@us.ibm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linuxppc-dev@ozlabs.org,
libhugetlbfs-devel@lists.sourceforge.net
Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks
Date: Mon, 28 Jul 2008 13:33:24 -0700 [thread overview]
Message-ID: <1217277204.23502.36.camel@nimitz> (raw)
In-Reply-To: <cover.1216928613.git.ebmunson@us.ibm.com>
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
WARNING: multiple messages have this Message-ID (diff)
From: Dave Hansen <dave@linux.vnet.ibm.com>
To: Eric Munson <ebmunson@us.ibm.com>
Cc: linux-mm@kvack.org, linux-kernel@vger.kernel.org,
linuxppc-dev@ozlabs.org,
libhugetlbfs-devel@lists.sourceforge.net
Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks
Date: Mon, 28 Jul 2008 13:33:24 -0700 [thread overview]
Message-ID: <1217277204.23502.36.camel@nimitz> (raw)
In-Reply-To: <cover.1216928613.git.ebmunson@us.ibm.com>
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
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next prev parent reply other threads:[~2008-07-28 20:33 UTC|newest]
Thread overview: 108+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-28 19:17 [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` [PATCH 1/5 V2] Align stack boundaries based on personality Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 20:09 ` Dave Hansen
2008-07-28 20:09 ` Dave Hansen
2008-07-28 20:09 ` Dave Hansen
2008-07-28 19:17 ` [PATCH 2/5 V2] Add shared and reservation control to hugetlb_file_setup Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` [PATCH 3/5] Split boundary checking from body of do_munmap Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` [PATCH 4/5 V2] Build hugetlb backed process stacks Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 20:37 ` Dave Hansen
2008-07-28 20:37 ` Dave Hansen
2008-07-28 20:37 ` Dave Hansen
2008-07-28 19:17 ` [PATCH 5/5 V2] [PPC] Setup stack memory segment for hugetlb pages Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 19:17 ` Eric Munson
2008-07-28 20:33 ` Dave Hansen [this message]
2008-07-28 20:33 ` [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks Dave Hansen
2008-07-28 20:33 ` Dave Hansen
2008-07-28 21:23 ` Eric B Munson
2008-07-28 21:23 ` Eric B Munson
2008-07-30 8:41 ` Andrew Morton
2008-07-30 8:41 ` Andrew Morton
2008-07-30 8:41 ` Andrew Morton
2008-07-30 15:04 ` Eric B Munson
2008-07-30 15:04 ` Eric B Munson
2008-07-30 15:08 ` Eric B Munson
2008-07-30 15:08 ` Eric B Munson
2008-07-30 8:43 ` Andrew Morton
2008-07-30 8:43 ` Andrew Morton
2008-07-30 8:43 ` Andrew Morton
2008-07-30 17:23 ` Mel Gorman
2008-07-30 17:23 ` Mel Gorman
2008-07-30 17:23 ` Mel Gorman
2008-07-30 17:34 ` Andrew Morton
2008-07-30 17:34 ` Andrew Morton
2008-07-30 17:34 ` Andrew Morton
2008-07-30 19:30 ` Mel Gorman
2008-07-30 19:30 ` Mel Gorman
2008-07-30 19:30 ` Mel Gorman
2008-07-30 19:40 ` Christoph Lameter
2008-07-30 19:40 ` Christoph Lameter
2008-07-30 19:40 ` Christoph Lameter
2008-07-30 20:07 ` Andrew Morton
2008-07-30 20:07 ` Andrew Morton
2008-07-30 20:07 ` Andrew Morton
2008-07-31 10:31 ` Mel Gorman
2008-07-31 10:31 ` Mel Gorman
2008-07-31 10:31 ` Mel Gorman
2008-08-04 21:10 ` Dave Hansen
2008-08-04 21:10 ` Dave Hansen
2008-08-04 21:10 ` Dave Hansen
2008-08-05 11:11 ` Mel Gorman
2008-08-05 11:11 ` Mel Gorman
2008-08-05 11:11 ` Mel Gorman
2008-08-05 16:12 ` Dave Hansen
2008-08-05 16:12 ` Dave Hansen
2008-08-05 16:12 ` Dave Hansen
2008-08-05 16:28 ` Mel Gorman
2008-08-05 16:28 ` Mel Gorman
2008-08-05 16:28 ` Mel Gorman
2008-08-05 17:53 ` Dave Hansen
2008-08-05 17:53 ` Dave Hansen
2008-08-05 17:53 ` Dave Hansen
2008-08-06 9:02 ` Mel Gorman
2008-08-06 9:02 ` Mel Gorman
2008-08-06 9:02 ` Mel Gorman
2008-08-06 19:50 ` Dave Hansen
2008-08-06 19:50 ` Dave Hansen
2008-08-06 19:50 ` Dave Hansen
2008-08-07 16:06 ` Mel Gorman
2008-08-07 16:06 ` Mel Gorman
2008-08-07 16:06 ` Mel Gorman
2008-08-07 17:29 ` Dave Hansen
2008-08-07 17:29 ` Dave Hansen
2008-08-07 17:29 ` Dave Hansen
2008-08-11 8:04 ` Mel Gorman
2008-08-11 8:04 ` Mel Gorman
2008-08-11 8:04 ` Mel Gorman
2008-07-31 6:04 ` Nick Piggin
2008-07-31 6:04 ` Nick Piggin
2008-07-31 6:04 ` Nick Piggin
2008-07-31 6:14 ` Andrew Morton
2008-07-31 6:14 ` Andrew Morton
2008-07-31 6:14 ` Andrew Morton
2008-07-31 6:26 ` Nick Piggin
2008-07-31 6:26 ` Nick Piggin
2008-07-31 6:26 ` Nick Piggin
2008-07-31 11:27 ` Mel Gorman
2008-07-31 11:27 ` Mel Gorman
2008-07-31 11:27 ` Mel Gorman
2008-07-31 11:51 ` Nick Piggin
2008-07-31 11:51 ` Nick Piggin
2008-07-31 11:51 ` Nick Piggin
2008-07-31 13:50 ` Mel Gorman
2008-07-31 13:50 ` Mel Gorman
2008-07-31 13:50 ` Mel Gorman
2008-07-31 14:32 ` Michael Ellerman
2008-08-06 18:49 ` Andi Kleen
2008-08-06 18:49 ` Andi Kleen
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