From: Christoph Hellwig <hch@infradead.org>
To: Steve Lord <lord@xfs.org>
Cc: "Mukker, Atul" <Atulm@lsil.com>, 'Andi Kleen' <ak@muc.de>,
'Marcelo Tosatti' <marcelo.tosatti@cyclades.com>,
'Mel Gorman' <mel@csn.ul.ie>,
'William Lee Irwin III' <wli@holomorphy.com>,
'Linux Memory Management List' <linux-mm@kvack.org>,
'Linux Kernel' <linux-kernel@vger.kernel.org>,
'Grant Grundler' <grundler@parisc-linux.org>
Subject: Re: [PATCH] Avoiding fragmentation through different allocator
Date: Tue, 25 Jan 2005 14:27:57 +0000 [thread overview]
Message-ID: <20050125142757.GA20442@infradead.org> (raw)
In-Reply-To: <41F65514.3040707@xfs.org>
> It is not the driver per se, but the way the memory which is the I/O
> source/target is presented to the driver. In linux there is a good
> chance it will have to use more scatter gather elements to represent
> the same amount of data.
Note that a change made a few month ago after seeing issues with
aacraid means it's much more likely to see contingous memory,
there were some numbers on linux-scsi and/or linux-kernel.
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next prev parent reply other threads:[~2005-01-25 14:27 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-25 14:02 Mukker, Atul
2005-01-25 14:17 ` Steve Lord
2005-01-25 14:27 ` Christoph Hellwig [this message]
2005-01-25 14:49 ` Andi Kleen
2005-01-25 14:56 ` Andi Kleen
2005-01-25 16:12 ` Mel Gorman
2005-01-25 18:50 ` Grant Grundler
-- strict thread matches above, loose matches on Subject: below --
2005-01-20 10:13 Mel Gorman
2005-01-21 14:28 ` Marcelo Tosatti
2005-01-22 21:48 ` Mel Gorman
2005-01-22 21:59 ` Marcelo Tosatti
2005-01-23 13:28 ` Marcelo Tosatti
2005-01-24 13:28 ` Mel Gorman
2005-01-24 12:29 ` Marcelo Tosatti
2005-01-24 16:44 ` James Bottomley
2005-01-24 15:49 ` Marcelo Tosatti
2005-01-24 20:36 ` James Bottomley
2005-01-24 20:47 ` Steve Lord
2005-01-25 7:39 ` Andi Kleen
2005-01-24 19:55 ` Grant Grundler
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