Subject: Re: [PATCH untested] IB/mthca: avoid wasting MTT enties on memfree
> Have you tested this?
No, didn't I make this clear? Sorry. I'm not in the lab at the moment,
and my laptop does not have infiniband.
That's why it says untested in the subject :).
> I think it increases the amount of
Have you tested this? I think it increases the amount of memory
needed for the buddy allocator bitmaps by a factor of 8, and right now
those bitmaps are kmalloc()ed. So I'd be aftraid that it would make
it impossible to load the module.
Anyway this is definitely 2.6.21 material given that we're
I looked at what be the clean fix for the MTT SEG handling in mthca,
and I came up with the following (applies on top of the series I posted
earlier). I think this gives us an important optimization.
Roland, could you please give me a hint whether something
like this is too big a change to get into
