Re: [PATCH] Avoiding fragmentation through different allocator

Christoph Hellwig
2005-01-25T14:28:32Z

> 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.