Call to mmu_notifier_invalidate_page() are replaced by call to
mmu_notifier_invalidate_range() and thus call are bracketed by
call to mmu_notifier_invalidate_range_start()/end()

Remove now useless invalidate_page callback.

Signed-off-by: Jérôme Glisse <jgli...@redhat.com>
Cc: Leon Romanovsky <leo...@mellanox.com>
Cc: linux-r...@vger.kernel.org
Cc: Artemy Kovalyov <artem...@mellanox.com>
Cc: Doug Ledford <dledf...@redhat.com>
Cc: Kirill A. Shutemov <kirill.shute...@linux.intel.com>
Cc: Andrew Morton <a...@linux-foundation.org>
Cc: Linus Torvalds <torva...@linux-foundation.org>
Cc: Andrea Arcangeli <aarca...@redhat.com>
---
 drivers/infiniband/core/umem_odp.c | 19 -------------------
 1 file changed, 19 deletions(-)

diff --git a/drivers/infiniband/core/umem_odp.c 
b/drivers/infiniband/core/umem_odp.c
index 8c4ec564e495..55e8f5ed8b3c 100644
--- a/drivers/infiniband/core/umem_odp.c
+++ b/drivers/infiniband/core/umem_odp.c
@@ -166,24 +166,6 @@ static int invalidate_page_trampoline(struct ib_umem 
*item, u64 start,
        return 0;
 }
 
-static void ib_umem_notifier_invalidate_page(struct mmu_notifier *mn,
-                                            struct mm_struct *mm,
-                                            unsigned long address)
-{
-       struct ib_ucontext *context = container_of(mn, struct ib_ucontext, mn);
-
-       if (!context->invalidate_range)
-               return;
-
-       ib_ucontext_notifier_start_account(context);
-       down_read(&context->umem_rwsem);
-       rbt_ib_umem_for_each_in_range(&context->umem_tree, address,
-                                     address + PAGE_SIZE,
-                                     invalidate_page_trampoline, NULL);
-       up_read(&context->umem_rwsem);
-       ib_ucontext_notifier_end_account(context);
-}
-
 static int invalidate_range_start_trampoline(struct ib_umem *item, u64 start,
                                             u64 end, void *cookie)
 {
@@ -237,7 +219,6 @@ static void ib_umem_notifier_invalidate_range_end(struct 
mmu_notifier *mn,
 
 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,
        .invalidate_range_end       = ib_umem_notifier_invalidate_range_end,
 };
-- 
2.13.5

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