summaryrefslogtreecommitdiff
path: root/drivers/infiniband/hw/mlx4/mr.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/infiniband/hw/mlx4/mr.c')
-rw-r--r--drivers/infiniband/hw/mlx4/mr.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/hw/mlx4/mr.c b/drivers/infiniband/hw/mlx4/mr.c
index e2fb71b23c80..7e0b205c05eb 100644
--- a/drivers/infiniband/hw/mlx4/mr.c
+++ b/drivers/infiniband/hw/mlx4/mr.c
@@ -380,7 +380,7 @@ static struct ib_umem *mlx4_get_umem_mr(struct ib_device *device, u64 start,
unsigned long untagged_start = untagged_addr(start);
struct vm_area_struct *vma;
- down_read(&current->mm->mmap_sem);
+ mmap_read_lock(current->mm);
/*
* FIXME: Ideally this would iterate over all the vmas that
* cover the memory, but for now it requires a single vma to
@@ -395,7 +395,7 @@ static struct ib_umem *mlx4_get_umem_mr(struct ib_device *device, u64 start,
access_flags |= IB_ACCESS_LOCAL_WRITE;
}
- up_read(&current->mm->mmap_sem);
+ mmap_read_unlock(current->mm);
}
return ib_umem_get(device, start, length, access_flags);