Am Donnerstag, 8. Februar 2007 20:28 schrieb Edwin Olson:
> I definitely understand limiting the number of outstanding URBs to avoid
> a DoS, but I don't follow why MAX_TRANSFER is being set to this
> particular value. MAX_TRANSFER = PAGE_SIZE would seem like a better
> choice, as it wouldn't cause a PAGE_SIZE-sized write to fragment into
> two URBs (not that that's such a terrible thing anyway.) I'm not sure I
> see how the maximum packet size of the host enters into it.
>
> Can you clarify?
Memory allocations larger than PAGE_SIZE are expensive and kmalloc
has a small memory overhead that adds to the allocation.
Regards
Oliver
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