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: linuxppc-...@lists.ozlabs.org
Cc: Alistair Popple <alist...@popple.id.au>
Cc: Michael Ellerman <m...@ellerman.id.au>
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>
---
 arch/powerpc/platforms/powernv/npu-dma.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/arch/powerpc/platforms/powernv/npu-dma.c 
b/arch/powerpc/platforms/powernv/npu-dma.c
index b5d960d6db3d..4c7b8591f737 100644
--- a/arch/powerpc/platforms/powernv/npu-dma.c
+++ b/arch/powerpc/platforms/powernv/npu-dma.c
@@ -614,15 +614,6 @@ static void pnv_npu2_mn_change_pte(struct mmu_notifier *mn,
        mmio_invalidate(npu_context, 1, address, true);
 }
 
-static void pnv_npu2_mn_invalidate_page(struct mmu_notifier *mn,
-                                       struct mm_struct *mm,
-                                       unsigned long address)
-{
-       struct npu_context *npu_context = mn_to_npu_context(mn);
-
-       mmio_invalidate(npu_context, 1, address, true);
-}
-
 static void pnv_npu2_mn_invalidate_range(struct mmu_notifier *mn,
                                        struct mm_struct *mm,
                                        unsigned long start, unsigned long end)
@@ -640,7 +631,6 @@ static void pnv_npu2_mn_invalidate_range(struct 
mmu_notifier *mn,
 static const struct mmu_notifier_ops nv_nmmu_notifier_ops = {
        .release = pnv_npu2_mn_release,
        .change_pte = pnv_npu2_mn_change_pte,
-       .invalidate_page = pnv_npu2_mn_invalidate_page,
        .invalidate_range = pnv_npu2_mn_invalidate_range,
 };
 
-- 
2.13.5

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