diff options
Diffstat (limited to 'drivers/uio')
| -rw-r--r-- | drivers/uio/uio.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c index c4279b2234ac..8abe78c0b16f 100644 --- a/drivers/uio/uio.c +++ b/drivers/uio/uio.c @@ -35,7 +35,6 @@ struct uio_device { atomic_t event; struct fasync_struct *async_queue; wait_queue_head_t wait; - int vma_count; struct uio_info *info; struct kobject *map_dir; struct kobject *portio_dir; @@ -593,18 +592,6 @@ static int uio_find_mem_index(struct vm_area_struct *vma) return -1; } -static void uio_vma_open(struct vm_area_struct *vma) -{ - struct uio_device *idev = vma->vm_private_data; - idev->vma_count++; -} - -static void uio_vma_close(struct vm_area_struct *vma) -{ - struct uio_device *idev = vma->vm_private_data; - idev->vma_count--; -} - static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) { struct uio_device *idev = vma->vm_private_data; @@ -631,8 +618,6 @@ static int uio_vma_fault(struct vm_area_struct *vma, struct vm_fault *vmf) } static const struct vm_operations_struct uio_logical_vm_ops = { - .open = uio_vma_open, - .close = uio_vma_close, .fault = uio_vma_fault, }; @@ -640,7 +625,6 @@ static int uio_mmap_logical(struct vm_area_struct *vma) { vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP; vma->vm_ops = &uio_logical_vm_ops; - uio_vma_open(vma); return 0; } |