RDMA/pvrdma: Use ib_umem_num_dma_blocks() instead of ib_umem_page_count()

This driver always uses PAGE_SIZE.

Link: https://lore.kernel.org/r/14-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
3 files changed