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From: Matthew Wilcox <matthew@wil.cx>
To: Mel Gorman <mel@csn.ul.ie>
Cc: Mark Lord <liml@rtr.ca>,
	Andrew Morton <akpm@linux-foundation.org>,
	James.Bottomley@HansenPartnership.com, jens.axboe@oracle.com,
	lkml@rtr.ca, linux-ide@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-scsi@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH] fix page_alloc for larger I/O segments (improved)
Date: Thu, 20 Dec 2007 15:37:28 -0700	[thread overview]
Message-ID: <20071220223728.GM29690@parisc-linux.org> (raw)
In-Reply-To: <20071214181339.GW26334@parisc-linux.org>

On Fri, Dec 14, 2007 at 11:13:40AM -0700, Matthew Wilcox wrote:
> I'll send it to our DB team to see if this improves our numbers at all.

It does, by approximately 0.67%.  This is about double the margin of
error, and a significant improvement.  Thanks!

-- 
Intel are signing my paycheques ... these opinions are still mine
"Bill, look, we understand that you're interested in selling us this
operating system, but compare it to ours.  We can't possibly take such
a retrograde step."

--
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  parent reply	other threads:[~2007-12-20 22:37 UTC|newest]

Thread overview: 33+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20071213185326.GQ26334@parisc-linux.org>
     [not found] ` <4761821F.3050602@rtr.ca>
     [not found]   ` <20071213192633.GD10104@kernel.dk>
     [not found]     ` <4761883A.7050908@rtr.ca>
     [not found]       ` <476188C4.9030802@rtr.ca>
     [not found]         ` <20071213193937.GG10104@kernel.dk>
     [not found]           ` <47618B0B.8020203@rtr.ca>
     [not found]             ` <20071213195350.GH10104@kernel.dk>
     [not found]               ` <20071213200219.GI10104@kernel.dk>
     [not found]                 ` <476190BE.9010405@rtr.ca>
     [not found]                   ` <20071213200958.GK10104@kernel.dk>
2007-12-13 22:02                     ` QUEUE_FLAG_CLUSTER: not working in 2.6.24 ? Andrew Morton
2007-12-13 22:15                       ` James Bottomley
2007-12-13 22:29                         ` Andrew Morton
2007-12-13 22:33                           ` Mark Lord
2007-12-13 23:13                             ` Mark Lord
2007-12-14  0:05                               ` Mark Lord
2007-12-14  0:30                                 ` Mark Lord
2007-12-14  0:37                                   ` Andrew Morton
2007-12-14  0:42                                     ` Mark Lord
2007-12-14  0:46                                       ` [PATCH] fix page_alloc for larger I/O segments (improved) Mark Lord
2007-12-14  0:57                                         ` James Bottomley
2007-12-14  1:11                                           ` Andrew Morton
2007-12-14  2:23                                             ` Mark Lord
2007-12-14 17:42                                         ` Mel Gorman
2007-12-14 18:07                                           ` Mark Lord
2007-12-16 21:56                                             ` Mel Gorman
2007-12-14 18:13                                           ` Matthew Wilcox
2007-12-14 18:30                                             ` Mark Lord
2007-12-20 22:37                                             ` Matthew Wilcox [this message]
2007-12-14  0:47                                       ` QUEUE_FLAG_CLUSTER: not working in 2.6.24 ? Mark Lord
2007-12-14 11:50                                     ` Mel Gorman
2007-12-14 13:57                                       ` Mark Lord
2007-12-14  0:40                                   ` [PATCH] fix page_alloc for larger I/O segments Mark Lord
2007-12-14  1:03                                     ` Andrew Morton
2007-12-14  4:00                                       ` Matthew Wilcox
2007-12-15  1:09                           ` QUEUE_FLAG_CLUSTER: not working in 2.6.24 ? Mel Gorman
2007-12-15  2:02                             ` Andrew Morton
2007-12-15  5:55                               ` Matt Mackall
2007-12-16 21:55                               ` Mel Gorman
2007-12-17 19:24                                 ` Randy Dunlap
2007-12-18  2:42                                   ` Matt Mackall
2007-12-13 22:17                       ` Jens Axboe
2007-12-13 22:02                     ` VM allocates pages in reverse order again Matthew Wilcox

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