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IB/umem: Add contiguous ODP support
authorArtemy Kovalyov <artemyko@mellanox.com>
Wed, 5 Apr 2017 06:23:55 +0000 (09:23 +0300)
committerDoug Ledford <dledford@redhat.com>
Tue, 25 Apr 2017 19:40:28 +0000 (15:40 -0400)
commit403cd12e2cf759ead5cbdcb62bf9872b9618d400
tree79699ef47b0813f8f7f861f6a92397fb67b00da5
parent4df4a5bac3264efa0595b52b2a9cd5274b32f0d4
IB/umem: Add contiguous ODP support

Currenlty ODP supports only regular MMU pages.
Add ODP support for regions consisting of physically contiguous chunks
of arbitrary order (huge pages for instance) to improve performance.

Signed-off-by: Artemy Kovalyov <artemyko@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
drivers/infiniband/core/umem_odp.c
include/rdma/ib_umem.h