IB/core: constify mmu_notifier_ops structures

Author: Julia Lawall <Julia.Lawall@lip6.fr>

This mmu_notifier_ops structure is never modified, so declare it as
const, like the other mmu_notifier_ops structures.

Done with the help of Coccinelle.

Signed-off-by: Julia Lawall 
Reviewed-by: Haggai Eran 
Signed-off-by: Doug Ledford 
---
 drivers/infiniband/core/umem_odp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
 
diff --git a/drivers/infiniband/core/umem_odp.c b/drivers/infiniband/core/umem_odp.c
index 40becdb..e69bf26 100644
--- a/drivers/infiniband/core/umem_odp.c
+++ b/drivers/infiniband/core/umem_odp.c
@@ -232,7 +232,7 @@ static void ib_umem_notifier_invalidate_range_end(struct mmu_notifier *mn,
 	ib_ucontext_notifier_end_account(context);
 }
 
-static struct mmu_notifier_ops ib_umem_notifiers = {
+static const struct mmu_notifier_ops ib_umem_notifiers = {
 	.release                    = ib_umem_notifier_release,
 	.invalidate_page            = ib_umem_notifier_invalidate_page,
 	.invalidate_range_start     = ib_umem_notifier_invalidate_range_start,