From: Andrew Morton <akpm@linux-foundation.org>
To: Mel Gorman <mel@csn.ul.ie>
Cc: ebmunson@us.ibm.com, linux-mm@kvack.org,
linux-kernel@vger.kernel.org, linuxppc-dev@ozlabs.org,
libhugetlbfs-devel@lists.sourceforge.net, abh@cray.com
Subject: Re: [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks
Date: Wed, 30 Jul 2008 13:07:09 -0700 [thread overview]
Message-ID: <20080730130709.eb541475.akpm@linux-foundation.org> (raw)
In-Reply-To: <20080730193010.GB14138@csn.ul.ie>
On Wed, 30 Jul 2008 20:30:10 +0100
Mel Gorman <mel@csn.ul.ie> 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.
The weak link in all of this still might be the need to reserve
hugepages and the unreliability of dynamically allocating them.
The dynamic allocation should be better nowadays, but I've lost track
of how reliable it really is. What's our status there?
Thanks.
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next prev parent reply other threads:[~2008-07-30 20:07 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
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 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 ` [PATCH 3/5] Split boundary checking from body of do_munmap Eric Munson
2008-07-28 19:17 ` [PATCH 4/5 V2] Build hugetlb backed process stacks Eric Munson
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 20:33 ` [RFC] [PATCH 0/5 V2] Huge page backed user-space stacks Dave Hansen
2008-07-28 21:23 ` Eric B Munson
2008-07-30 8:41 ` Andrew Morton
2008-07-30 15:04 ` Eric B Munson
2008-07-30 15:08 ` Eric B Munson
2008-07-30 8:43 ` Andrew Morton
2008-07-30 17:23 ` Mel Gorman
2008-07-30 17:34 ` Andrew Morton
2008-07-30 19:30 ` Mel Gorman
2008-07-30 19:40 ` Christoph Lameter
2008-07-30 20:07 ` Andrew Morton [this message]
2008-07-31 10:31 ` Mel Gorman
2008-08-04 21:10 ` Dave Hansen
2008-08-05 11:11 ` Mel Gorman
2008-08-05 16:12 ` Dave Hansen
2008-08-05 16:28 ` Mel Gorman
2008-08-05 17:53 ` Dave Hansen
2008-08-06 9:02 ` Mel Gorman
2008-08-06 19:50 ` Dave Hansen
2008-08-07 16:06 ` Mel Gorman
2008-08-07 17:29 ` Dave Hansen
2008-08-11 8:04 ` Mel Gorman
2008-07-31 6:04 ` Nick Piggin
2008-07-31 6:14 ` Andrew Morton
2008-07-31 6:26 ` Nick Piggin
2008-07-31 11:27 ` Mel Gorman
2008-07-31 11:51 ` Nick Piggin
2008-07-31 13:50 ` Mel Gorman
2008-07-31 14:32 ` Michael Ellerman
2008-08-06 18:49 ` Andi Kleen
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