[Nouveau] [PATCH hmm 4/5] mm/hmm: remove HMM_PFN_SPECIAL

[Christoph Hellwig]

On Tue, Apr 21, 2020 at 09:21:45PM -0300, Jason Gunthorpe wrote:
> From: Jason Gunthorpe <jgg at mellanox.com>
> 
> This is just an alias for HMM_PFN_ERROR, nothing cares that the error was
> because of a special page vs any other error case.

Looks good,

Reviewed-by: Christoph Hellwig <hch at lst.de>