diff options
Diffstat (limited to 'drivers/infiniband/hw/qib/qib_file_ops.c')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_file_ops.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index 9ea6c440a00c..725881890c4a 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -835,7 +835,8 @@ static int mmap_piobufs(struct vm_area_struct *vma, vma->vm_flags &= ~VM_MAYREAD; vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND; - if (qib_wc_pat) + /* We used PAT if wc_cookie == 0 */ + if (!dd->wc_cookie) vma->vm_page_prot = pgprot_writecombine(vma->vm_page_prot); ret = io_remap_pfn_range(vma, vma->vm_start, phys >> PAGE_SHIFT, |