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From: Andrea Arcangeli <andrea@suse.de>
To: Christoph Hellwig <hch@infradead.org>, linux-kernel@vger.kernel.org
Subject: Re: 2.4.22pre6aa1
Date: Sat, 19 Jul 2003 00:27:50 +0200	[thread overview]
Message-ID: <20030718222750.GL3928@dualathlon.random> (raw)
In-Reply-To: <20030718191853.A11052@infradead.org>

On Fri, Jul 18, 2003 at 07:18:53PM +0100, Christoph Hellwig wrote:
> On Thu, Jul 17, 2003 at 12:28:57PM +0200, Andrea Arcangeli wrote:
> > Only in 2.4.21rc8aa1: 9910_shm-largepage-13.gz
> > Only in 2.4.22pre6aa1: 9910_shm-largepage-16.gz
> > 
> > 	Thanks to Hugh for the help in porting the bigpages
> > 	to the rewritten shmfs layer in 22pre. No idea at the moment if it
> > 	works or if it only compiles.
> 
> Any reason you don't use a backport of hugetlbfs like the IA64 or
> the RH AS3 tree?

bigpages= is a documented API that has to be used in production, so I
can easily add the hugetlbfs API but I guess I've to keep this one
anyways. I also would need to verify the performance of hugetlbfs before
suggesting migrating to it, for example I don't want
preallocation/prefaulting (IIRC hugetlbfs preallocates everything). I
also like the single huge array of page pointers, that is very hardwired
but optimal for those workloads.

Andrea

  reply	other threads:[~2003-07-18 22:19 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-17 10:28 2.4.22pre6aa1 Andrea Arcangeli
2003-07-17 10:42 ` 2.4.22pre6aa1 ooyama eiichi
2003-07-17 10:52   ` 2.4.22pre6aa1 Marc-Christian Petersen
2003-07-17 10:53   ` 2.4.22pre6aa1 ooyama eiichi
2003-07-17 15:42 ` 2.4.22pre6aa1 Dave Jones
2003-07-17 20:31   ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-17 22:13 ` 2.4.22pre6aa1 Marc-Christian Petersen
2003-07-17 22:26   ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-17 22:27   ` 2.4.22pre6aa1 Mike Fedyk
2003-07-17 22:32     ` 2.4.22pre6aa1 Marc-Christian Petersen
2003-07-17 22:30   ` 2.4.22pre6aa1 Marc-Christian Petersen
2003-07-17 22:50     ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-18  0:30       ` 2.4.22pre6aa1 Chris Mason
2003-07-22 12:28         ` 2.4.22pre6aa1 Marc-Christian Petersen
2003-07-22 14:04           ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-18  5:47       ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-22 13:34       ` 2.4.22pre6aa1 Marc-Christian Petersen
2003-07-22 13:59         ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-24 12:27           ` 2.4.22pre6aa1 Marc-Christian Petersen
2003-07-24 14:14             ` 2.4.22pre6aa1 Chris Mason
2003-07-18 18:18 ` 2.4.22pre6aa1 Christoph Hellwig
2003-07-18 22:27   ` Andrea Arcangeli [this message]
2003-07-18 22:48     ` 2.4.22pre6aa1 William Lee Irwin III
2003-07-18 22:53       ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-18 23:04         ` 2.4.22pre6aa1 William Lee Irwin III
2003-07-18 23:12           ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-18 23:53             ` 2.4.22pre6aa1 William Lee Irwin III
2003-07-19  0:04               ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-23 11:21 2.4.22pre6aa1 Sergey S. Kostyliov
2003-07-25  5:28 ` 2.4.22pre6aa1 Andrea Arcangeli
2003-07-25 11:10   ` 2.4.22pre6aa1 Sergey S. Kostyliov
2003-07-25 19:02     ` 2.4.22pre6aa1 Andrea Arcangeli
2003-08-03 17:12       ` 2.4.22pre6aa1 Sergey S. Kostyliov
2003-08-16 11:56         ` 2.4.22pre6aa1 Andrea Arcangeli
2003-08-16 13:54           ` 2.4.22pre6aa1 Hugh Dickins
2003-08-16 14:00             ` 2.4.22pre6aa1 Hugh Dickins
2003-08-16 14:50               ` 2.4.22pre6aa1 Sergey S. Kostyliov

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