[RFC 6/7] NVMe: Use genalloc to allocate CMB regions

[Haggai Eran]

On ב', 2016-08-01 at 08:53 -0700, Christoph Hellwig wrote:
> On Mon, Aug 01, 2016 at 09:57:32AM +0300, Haggai Eran wrote:
> > 
> > Register the CMB in a gen_pool dedicated to manage CMB regions. Use
> > the
> > pool to allocate the SQs to make sure they are registered.
> And why would the NVMe driver care if "they are registered"?
I just meant that they are allocated through genalloc so that it
doesn't allocate the same buffer again.

> 
> Once we start allowing diverse CMB uses (what happened to Jon's
> patches
> btw?) genalloc might be a good backend allocator, but without that
> it's entirely pointless.  
I missed Jon's patches. I'll have a look. The point in this patch was
to allow this diverse use in the next patch.

> Also please don't introduce useless header
> files.
Fair enough.

Thanks,
Haggai