From: Christoph Hellwig <hch@infradead.org>
To: Nick Piggin <nickpiggin@yahoo.com.au>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Christoph Lameter <clameter@sgi.com>,
linux-kernel@vger.kernel.org, Mel Gorman <mel@skynet.ie>,
William Lee Irwin III <wli@holomorphy.com>,
David Chinner <dgc@sgi.com>, Jens Axboe <jens.axboe@oracle.com>,
Badari Pulavarty <pbadari@gmail.com>,
Maxim Levitsky <maximlevitsky@gmail.com>
Subject: Re: [00/17] Large Blocksize Support V3
Date: Thu, 26 Apr 2007 16:58:55 +0100 [thread overview]
Message-ID: <20070426155855.GA16337@infradead.org> (raw)
In-Reply-To: <463048FE.5000600@yahoo.com.au>
On Thu, Apr 26, 2007 at 04:38:54PM +1000, Nick Piggin wrote:
> Hardware is built to handle many small pages efficintly, and I don't
> understand how it could be an SGI-only issue. Sure, you may have an
> order of magnitude or more memory than anyone else, but even my lowly
> desktop _already_ has orders of magnitude more pages than it has TLB
> entries or cache -- if a workload is cache-nice for me, it probably
> will be on a 1TB machine as well, and if it is bad for the 1TB machine,
> it is also bad on mine.
It's not an SGI-only issue, but apparently SGI are the only ones
that actually care about real highend linux setups to work on these
issues. The Problem is not on the CPU hardware side. It's on
the Software side and Storage hardware side, or rather a combination
of the two.
next prev parent reply other threads:[~2007-04-26 15:59 UTC|newest]
Thread overview: 235+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-24 22:21 [00/17] Large Blocksize Support V3 clameter
2007-04-24 22:21 ` [01/17] Remove open coded implementation of memclear_highpage flush clameter
2007-04-24 22:21 ` [02/17] Fix page allocation flags in grow_dev_page() clameter
2007-04-24 22:21 ` [03/17] Fix: find_or_create_page does not spread memory clameter
2007-04-24 22:21 ` [04/17] Free up page->private for compound pages clameter
2007-04-24 22:21 ` [05/17] More compound page features clameter
2007-04-24 22:21 ` [06/17] Fix up handling of Compound head pages clameter
2007-04-24 22:21 ` [07/17] vmstat.c: Support accounting for compound pages clameter
2007-04-24 22:21 ` [08/17] Define functions for page cache handling clameter
2007-04-24 23:00 ` Eric Dumazet
2007-04-25 6:27 ` Christoph Lameter
2007-04-24 22:21 ` [09/17] Convert PAGE_CACHE_xxx -> page_cache_xxx function calls clameter
2007-04-24 22:21 ` [10/17] Variable Order Page Cache: Add clearing and flushing function clameter
2007-04-26 7:02 ` Christoph Lameter
2007-04-26 8:14 ` David Chinner
2007-04-24 22:21 ` [11/17] Readahead support for the variable order page cache clameter
2007-04-24 22:21 ` [12/17] Variable Page Cache Size: Fix up reclaim counters clameter
2007-04-24 22:21 ` [13/17] set_blocksize: Allow to set a larger block size than PAGE_SIZE clameter
2007-04-24 22:21 ` [14/17] Add VM_BUG_ONs to check for correct page order clameter
2007-04-24 22:21 ` [15/17] ramfs: Variable order page cache support clameter
2007-04-24 22:21 ` [16/17] ext2: " clameter
2007-04-24 22:21 ` [17/17] xfs: " clameter
2007-04-25 0:46 ` [00/17] Large Blocksize Support V3 Jörn Engel
2007-04-25 0:47 ` H. Peter Anvin
2007-04-25 3:11 ` William Lee Irwin III
2007-04-25 11:35 ` Jens Axboe
2007-04-25 15:36 ` Christoph Lameter
2007-04-25 17:53 ` Jens Axboe
2007-04-25 18:03 ` Christoph Lameter
2007-04-25 18:05 ` Jens Axboe
2007-04-25 18:14 ` Christoph Lameter
2007-04-25 18:16 ` Jens Axboe
2007-04-25 13:28 ` Mel Gorman
2007-04-25 15:23 ` Christoph Lameter
2007-04-25 22:46 ` Badari Pulavarty
2007-04-26 1:14 ` David Chinner
2007-04-26 1:17 ` David Chinner
2007-04-26 4:51 ` Eric W. Biederman
2007-04-26 5:05 ` Christoph Lameter
2007-04-26 5:44 ` Eric W. Biederman
2007-04-26 6:37 ` Christoph Lameter
2007-04-26 9:16 ` Mel Gorman
2007-04-26 6:38 ` Nick Piggin
2007-04-26 6:46 ` Christoph Lameter
2007-04-26 6:57 ` Nick Piggin
2007-04-26 7:10 ` Christoph Lameter
2007-04-26 7:22 ` Nick Piggin
2007-04-26 7:34 ` Christoph Lameter
2007-04-26 7:48 ` Nick Piggin
2007-04-26 9:20 ` David Chinner
2007-04-26 13:53 ` Avi Kivity
2007-04-26 14:33 ` David Chinner
2007-04-26 14:56 ` Avi Kivity
2007-04-26 15:20 ` Nick Piggin
2007-04-26 17:42 ` Jens Axboe
2007-04-26 18:59 ` Eric W. Biederman
2007-04-26 16:07 ` Christoph Hellwig
2007-04-27 10:05 ` Nick Piggin
2007-04-27 13:06 ` Mel Gorman
2007-04-26 13:50 ` William Lee Irwin III
2007-04-26 18:09 ` Eric W. Biederman
2007-04-26 23:34 ` William Lee Irwin III
2007-04-26 7:48 ` Questions on printk and console_drivers gshan
2007-04-26 10:06 ` [00/17] Large Blocksize Support V3 Mel Gorman
2007-04-26 14:47 ` Nick Piggin
2007-04-26 15:58 ` Christoph Hellwig [this message]
2007-04-26 16:05 ` Jens Axboe
2007-04-26 16:16 ` Christoph Hellwig
2007-04-26 13:28 ` Alan Cox
2007-04-26 13:30 ` Jens Axboe
2007-04-29 14:12 ` Matt Mackall
2007-04-28 10:55 ` Pierre Ossman
2007-04-28 15:39 ` Eric W. Biederman
2007-04-26 5:37 ` Nick Piggin
2007-04-26 6:38 ` David Chinner
2007-04-26 6:50 ` Nick Piggin
2007-04-26 8:40 ` Mel Gorman
2007-04-26 8:55 ` Nick Piggin
2007-04-26 10:30 ` Mel Gorman
2007-04-26 10:54 ` Eric W. Biederman
2007-04-26 12:23 ` Mel Gorman
2007-04-26 17:58 ` Christoph Lameter
2007-04-26 18:02 ` Jens Axboe
2007-04-26 16:11 ` Christoph Hellwig
2007-04-26 17:49 ` Eric W. Biederman
2007-04-26 18:03 ` Christoph Lameter
2007-04-26 18:03 ` Jens Axboe
2007-04-26 18:09 ` Christoph Hellwig
2007-04-26 18:12 ` Jens Axboe
2007-04-26 18:24 ` Christoph Hellwig
2007-04-26 18:24 ` Jens Axboe
2007-04-26 18:28 ` Christoph Lameter
2007-04-26 18:29 ` Jens Axboe
2007-04-26 18:35 ` Christoph Lameter
2007-04-26 18:39 ` Jens Axboe
2007-04-26 19:35 ` Eric W. Biederman
2007-04-26 19:42 ` Jens Axboe
2007-04-27 4:05 ` Eric W. Biederman
2007-04-27 10:26 ` Nick Piggin
2007-04-27 13:51 ` Eric W. Biederman
2007-04-26 20:22 ` Mel Gorman
2007-04-27 0:21 ` William Lee Irwin III
2007-04-27 5:16 ` Jens Axboe
2007-04-27 10:38 ` Nick Piggin
2007-04-26 10:10 ` Eric W. Biederman
2007-04-26 13:50 ` David Chinner
2007-04-26 14:40 ` William Lee Irwin III
2007-04-26 15:38 ` Nick Piggin
2007-04-26 15:58 ` William Lee Irwin III
2007-04-27 9:46 ` Nick Piggin
2007-04-27 0:19 ` Jeremy Higdon
2007-04-26 18:07 ` Christoph Lameter
2007-04-26 18:45 ` Eric W. Biederman
2007-04-26 18:59 ` Christoph Lameter
2007-04-26 19:21 ` Eric W. Biederman
2007-04-26 6:40 ` Christoph Lameter
2007-04-26 6:53 ` Nick Piggin
2007-04-26 7:04 ` David Chinner
2007-04-26 7:07 ` Nick Piggin
2007-04-26 7:11 ` Christoph Lameter
2007-04-26 7:17 ` Nick Piggin
2007-04-26 7:28 ` Christoph Lameter
2007-04-26 7:45 ` Nick Piggin
2007-04-26 18:10 ` Christoph Lameter
2007-04-27 10:08 ` Nick Piggin
2007-04-26 7:07 ` Christoph Lameter
2007-04-26 7:15 ` Nick Piggin
2007-04-26 7:22 ` Christoph Lameter
2007-04-26 7:42 ` Nick Piggin
2007-04-26 10:48 ` Mel Gorman
2007-04-26 12:37 ` Andy Whitcroft
2007-04-26 14:18 ` David Chinner
2007-04-26 15:08 ` Nick Piggin
2007-04-26 15:19 ` William Lee Irwin III
2007-04-26 15:28 ` David Chinner
2007-04-26 14:53 ` William Lee Irwin III
2007-04-26 18:16 ` Christoph Lameter
2007-04-26 18:21 ` Eric W. Biederman
2007-04-27 0:32 ` William Lee Irwin III
2007-04-27 10:22 ` Nick Piggin
2007-04-27 12:58 ` William Lee Irwin III
2007-04-27 13:06 ` Nick Piggin
2007-04-27 14:49 ` William Lee Irwin III
2007-04-26 18:13 ` Christoph Lameter
2007-04-27 10:15 ` Nick Piggin
2007-04-26 14:49 ` William Lee Irwin III
2007-04-26 18:50 ` Maxim Levitsky
2007-04-27 2:04 ` Andrew Morton
2007-04-27 2:27 ` David Chinner
2007-04-27 2:53 ` Andrew Morton
2007-04-27 3:47 ` [00/17] Large Blocksize Support V3 (mmap conceptual discussion) Christoph Lameter
2007-04-27 4:20 ` [00/17] Large Blocksize Support V3 David Chinner
2007-04-27 5:15 ` Andrew Morton
2007-04-27 5:49 ` Christoph Lameter
2007-04-27 6:55 ` Andrew Morton
2007-04-27 7:19 ` Christoph Lameter
2007-04-27 7:26 ` Andrew Morton
2007-04-27 8:37 ` David Chinner
2007-04-27 12:01 ` Christoph Lameter
2007-04-27 16:36 ` David Chinner
2007-04-27 17:34 ` David Chinner
2007-04-27 19:11 ` Andrew Morton
2007-04-28 1:43 ` Nick Piggin
2007-04-28 8:04 ` Peter Zijlstra
2007-04-28 8:22 ` Andrew Morton
2007-04-28 8:32 ` Peter Zijlstra
2007-04-28 8:55 ` Andrew Morton
2007-04-28 9:36 ` Peter Zijlstra
2007-04-28 14:09 ` William Lee Irwin III
2007-04-28 18:26 ` Andrew Morton
2007-04-28 19:19 ` William Lee Irwin III
2007-04-28 21:28 ` Andrew Morton
2007-04-28 3:17 ` David Chinner
2007-04-28 3:49 ` Christoph Lameter
2007-04-28 4:56 ` Andrew Morton
2007-04-28 5:08 ` Christoph Lameter
2007-04-28 5:36 ` Andrew Morton
2007-04-28 6:24 ` Christoph Lameter
2007-04-28 6:52 ` Andrew Morton
2007-04-30 5:30 ` Christoph Lameter
2007-04-28 9:43 ` Alan Cox
2007-04-28 9:58 ` Andrew Morton
2007-04-28 10:21 ` Alan Cox
2007-04-28 10:25 ` Andrew Morton
2007-04-28 11:29 ` Alan Cox
2007-04-28 14:37 ` William Lee Irwin III
2007-04-27 7:22 ` Christoph Lameter
2007-04-27 7:29 ` Andrew Morton
2007-04-27 7:35 ` Christoph Lameter
2007-04-27 7:43 ` Andrew Morton
2007-04-27 11:05 ` Paul Mackerras
2007-04-27 11:41 ` Nick Piggin
2007-04-27 12:12 ` Christoph Lameter
2007-04-27 12:25 ` Nick Piggin
2007-04-27 13:39 ` Christoph Hellwig
2007-04-28 2:27 ` Nick Piggin
2007-04-28 2:39 ` William Lee Irwin III
2007-04-28 2:50 ` Nick Piggin
2007-04-28 3:16 ` William Lee Irwin III
2007-04-28 8:16 ` Christoph Hellwig
2007-04-27 16:48 ` Christoph Lameter
2007-04-27 13:37 ` Christoph Hellwig
2007-04-27 12:14 ` Paul Mackerras
2007-04-27 12:36 ` Nick Piggin
2007-04-27 13:42 ` Christoph Hellwig
2007-04-27 11:58 ` Christoph Lameter
2007-04-27 13:44 ` William Lee Irwin III
2007-04-27 19:15 ` Andrew Morton
2007-04-28 2:21 ` William Lee Irwin III
2007-04-27 6:09 ` David Chinner
2007-04-27 7:04 ` Andrew Morton
2007-04-27 8:03 ` David Chinner
2007-04-27 8:48 ` Andrew Morton
2007-04-27 16:45 ` Theodore Tso
2007-05-04 13:33 ` Eric W. Biederman
2007-05-07 4:29 ` David Chinner
2007-05-07 4:48 ` Eric W. Biederman
2007-05-07 5:27 ` David Chinner
2007-05-07 6:43 ` Eric W. Biederman
2007-05-07 6:49 ` William Lee Irwin III
2007-05-07 7:06 ` William Lee Irwin III
2007-05-08 8:49 ` William Lee Irwin III
2007-05-07 16:06 ` Christoph Lameter
2007-05-07 17:29 ` William Lee Irwin III
2007-05-04 12:57 ` Eric W. Biederman
2007-05-04 13:31 ` Eric W. Biederman
2007-05-04 16:11 ` Christoph Lameter
2007-05-07 4:58 ` David Chinner
2007-05-07 6:56 ` Eric W. Biederman
2007-05-07 15:17 ` Weigert, Daniel
2007-04-27 16:55 ` Theodore Tso
2007-04-27 17:32 ` Nicholas Miell
2007-04-27 18:12 ` William Lee Irwin III
2007-04-28 16:39 ` Maxim Levitsky
2007-04-30 5:23 ` Christoph Lameter
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