const: mark struct vm_struct_operations

* mark struct vm_area_struct::vm_ops as const
* mark vm_ops in AGP code

But leave TTM code alone, something is fishy there with global vm_ops
being used.

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2 files changed, 2 insertions, 2 deletions

diff --git a/drivers/misc/sgi-gru/grufile.c b/drivers/misc/sgi-gru/grufile.c
index aed609832bc2..300e7ba391a0 100644
--- a/drivers/misc/sgi-gru/grufile.c
+++ b/drivers/misc/sgi-gru/grufile.c
@@ -438,7 +438,7 @@ static struct miscdevice gru_miscdev = {
         .fops           = &gru_fops,
 };
 
-struct vm_operations_struct gru_vm_ops = {
+const struct vm_operations_struct gru_vm_ops = {
         .close          = gru_vma_close,
         .fault          = gru_fault,
 };
diff --git a/drivers/misc/sgi-gru/grutables.h b/drivers/misc/sgi-gru/grutables.h
index 34ab3d453919..46990bcfa536 100644
--- a/drivers/misc/sgi-gru/grutables.h
+++ b/drivers/misc/sgi-gru/grutables.h
@@ -624,7 +624,7 @@ static inline int is_kernel_context(struct gru_thread_state *gts)
  */
 struct gru_unload_context_req;
 
-extern struct vm_operations_struct gru_vm_ops;
+extern const struct vm_operations_struct gru_vm_ops;
 extern struct device *grudev;
 
 extern struct gru_vma_data *gru_alloc_vma_data(struct vm_area_struct *vma,