diff options
Diffstat (limited to 'drivers/char/mspec.c')
| -rw-r--r-- | drivers/char/mspec.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/char/mspec.c b/drivers/char/mspec.c index 82f2e27dca7..ff146c2b08f 100644 --- a/drivers/char/mspec.c +++ b/drivers/char/mspec.c @@ -283,7 +283,7 @@ mspec_mmap(struct file *file, struct vm_area_struct *vma, vdata->refcnt = ATOMIC_INIT(1); vma->vm_private_data = vdata; - vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP); + vma->vm_flags |= (VM_IO | VM_RESERVED | VM_PFNMAP | VM_DONTEXPAND); if (vdata->type == MSPEC_FETCHOP || vdata->type == MSPEC_UNCACHED) vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); vma->vm_ops = &mspec_vm_ops; |