RDMA/umem: Fix ib_umem_find_best_pgsz()
Except for the last entry, the ending iova alignment sets the maximum possible page size as the low bits of the iova must be zero when starting the next chunk. Fixes: 4a353399 ("RDMA/umem: Add API to find best driver supported page size in an MR") Link: https://lore.kernel.org/r/20200128135612.174820-1-leon@kernel.org Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com> Signed-off-by: Leon Romanovsky <leonro@mellanox.com> Tested-by: Gal Pressman <galpress@amazon.com> Reviewed-by: Jason Gunthorpe <jgg@mellanox.com> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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