[ofa-general] Re: [PATCH 1/3] V2 - libmthca - Optimize memory allocation of QP buffers

[Tziporet Koren]

Roland Dreier wrote:
> So I'm finally looking at applying this patch.  And I wonder why you
> only do this for QP buffers -- it seems every other object allocated
> with mthca_alloc_buf(), namely CQs, SRQs and mem-free doorbell records,
> are all also page aligned, and similarly waste memory.
>
> So should we not just replace the posix_memalign() in alloc_buf with
> anonymous mmap, and end up with a simpler patch that saves even more
> memory?
>
>   

BTW - we tested these patches here and they are working and indeed save 
memory
I think this idea is good.

Tziporet