Fix the kernel-doc documentation by matching between the functions
definitions and documentation.

Link: https://lore.kernel.org/r/20200820123512.105193-1-kamalheib1@gmail.comSigned-off-by: Kamal Heib <kamalheib1@gmail.com>
Acked-by: Adit Ranadive <aditr@vmware.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>