RDMA/i40iw: Use ib_umem_num_dma_pages()

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If ib_umem_find_best_pgsz() returns > PAGE_SIZE then the equation here is
not correct. 'start' should be 'virt'. Change it to use the core code for
page_num and the canonical calculation of page_shift.

Fixes: eb52c0333f ("RDMA/i40iw: Use core helpers to get aligned DMA address within a supported page size")
Link: https://lore.kernel.org/r/8-v2-270386b7e60b+28f4-umem_1_jgg@nvidia.com
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>

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Jason Gunthorpe 2020-09-04 19:41:49 -03:00

parent 1f9b6827c8

commit 22123a0e49

1 changed files with 1 additions and 9 deletions

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drivers/infiniband/hw/i40iw/i40iw_verbs.c

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