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| author | Jason Gunthorpe <jgg@mellanox.com> | 2019-04-16 14:07:29 +0300 |
|---|---|---|
| committer | Jason Gunthorpe <jgg@mellanox.com> | 2019-04-24 13:40:50 -0300 |
| commit | ddcdc368b1033e19fd3a5f750752e10e28a87826 (patch) | |
| tree | 8224512c2a347afe3bef0cb0ed5326ab569e9547 /drivers/infiniband/hw/mlx5 | |
| parent | 67f269b37f9b4d52c5e7f97acea26c0852e9b8a1 (diff) | |
| download | lwn-ddcdc368b1033e19fd3a5f750752e10e28a87826.tar.gz lwn-ddcdc368b1033e19fd3a5f750752e10e28a87826.zip | |
RDMA/mlx5: Use get_zeroed_page() for clock_info
get_zeroed_page() returns a virtual address for the page which is better
than allocating a struct page and doing a permanent kmap on it.
Cc: stable@vger.kernel.org
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Reviewed-by: Haggai Eran <haggaie@mellanox.com>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Diffstat (limited to 'drivers/infiniband/hw/mlx5')
| -rw-r--r-- | drivers/infiniband/hw/mlx5/main.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx5/main.c b/drivers/infiniband/hw/mlx5/main.c index d3dd290ae1b1..da81402992bc 100644 --- a/drivers/infiniband/hw/mlx5/main.c +++ b/drivers/infiniband/hw/mlx5/main.c @@ -2070,11 +2070,12 @@ static int mlx5_ib_mmap_clock_info_page(struct mlx5_ib_dev *dev, return -EPERM; vma->vm_flags &= ~VM_MAYWRITE; - if (!dev->mdev->clock_info_page) + if (!dev->mdev->clock_info) return -EOPNOTSUPP; return rdma_user_mmap_page(&context->ibucontext, vma, - dev->mdev->clock_info_page, PAGE_SIZE); + virt_to_page(dev->mdev->clock_info), + PAGE_SIZE); } static int uar_mmap(struct mlx5_ib_dev *dev, enum mlx5_ib_mmap_cmd cmd, |