From mboxrd@z Thu Jan  1 00:00:00 1970
Date: Tue, 25 Jan 2005 14:27:57 +0000
From: Christoph Hellwig <hch@infradead.org>
Subject: Re: [PATCH] Avoiding fragmentation through different allocator
Message-ID: <20050125142757.GA20442@infradead.org>
References: <0E3FA95632D6D047BA649F95DAB60E5705A70E61@exa-atlanta> <41F65514.3040707@xfs.org>
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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>
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> 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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