From: Long Li longli@microsoft.com
MANA hardware uses 4k page size. When calculating the page table index, it should use the hardware page size, not the system page size.
Cc: stable@vger.kernel.org Fixes: 0266a177631d ("RDMA/mana_ib: Add a driver for Microsoft Azure Network Adapter") Signed-off-by: Long Li longli@microsoft.com --- drivers/infiniband/hw/mana/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/infiniband/hw/mana/main.c b/drivers/infiniband/hw/mana/main.c index d13abc954d2a..f68f54aea820 100644 --- a/drivers/infiniband/hw/mana/main.c +++ b/drivers/infiniband/hw/mana/main.c @@ -383,7 +383,7 @@ static int mana_ib_gd_create_dma_region(struct mana_ib_dev *dev, struct ib_umem
create_req->length = umem->length; create_req->offset_in_page = ib_umem_dma_offset(umem, page_sz); - create_req->gdma_page_type = order_base_2(page_sz) - PAGE_SHIFT; + create_req->gdma_page_type = order_base_2(page_sz) - MANA_PAGE_SHIFT; create_req->page_count = num_pages_total;
ibdev_dbg(&dev->ib_dev, "size_dma_region %lu num_pages_total %lu\n",