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RDMA/mlx5: Fix MR npages calculation for IB_ACCESS_HUGETLB

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When ODP is enabled with IB_ACCESS_HUGETLB then the required pages
should be calculated based on the extent of the MR, which is rounded
to the nearest huge page alignment.

Fixes: d2183c6f19 ("RDMA/umem: Move page_shift from ib_umem to ib_odp_umem")
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Link: https://lore.kernel.org/r/20190815083834.9245-5-leon@kernel.org
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Jason Gunthorpe
2019-08-15 11:38:30 +03:00
committed by Doug Ledford
parent d1abaeb3be
commit 27b7fb1ab7
2 changed files with 4 additions and 8 deletions
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5
drivers/infiniband/hw/mlx5/mem.c
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@@ -57,9 +57,10 @@ void mlx5_ib_cont_pages(struct ib_umem *umem, u64 addr,
int entry;
if (umem->is_odp) {
unsigned int page_shift = to_ib_umem_odp(umem)->page_shift;
struct ib_umem_odp *odp = to_ib_umem_odp(umem);
unsigned int page_shift = odp->page_shift;
*ncont = ib_umem_page_count(umem);
*ncont = ib_umem_odp_num_pages(odp);
*count = *ncont << (page_shift - PAGE_SHIFT);
*shift = page_shift;
if (order)