Re: [PATCH] Avoiding fragmentation through different allocator

[Christoph Hellwig]

> 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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