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SubjectRe: [PATCH 10/13] sgi-gru: update to new mmu_notifier semantic
Acked-by: Dimitri Sivanich <sivanich@hpe.com>

On Thu, Aug 31, 2017 at 05:17:35PM -0400, jglisse@redhat.com wrote:
> From: Jérôme Glisse <jglisse@redhat.com>
>
> 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 <jglisse@redhat.com>
> Cc: Dimitri Sivanich <sivanich@sgi.com>
> Cc: Jack Steiner <steiner@sgi.com>
> Cc: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
> Cc: Andrew Morton <akpm@linux-foundation.org>
> Cc: Linus Torvalds <torvalds@linux-foundation.org>
> Cc: Andrea Arcangeli <aarcange@redhat.com>
> ---
> drivers/misc/sgi-gru/grutlbpurge.c | 12 ------------
> 1 file changed, 12 deletions(-)
>
> diff --git a/drivers/misc/sgi-gru/grutlbpurge.c b/drivers/misc/sgi-gru/grutlbpurge.c
> index e936d43895d2..9918eda0e05f 100644
> --- a/drivers/misc/sgi-gru/grutlbpurge.c
> +++ b/drivers/misc/sgi-gru/grutlbpurge.c
> @@ -247,17 +247,6 @@ static void gru_invalidate_range_end(struct mmu_notifier *mn,
> gru_dbg(grudev, "gms %p, start 0x%lx, end 0x%lx\n", gms, start, end);
> }
>
> -static void gru_invalidate_page(struct mmu_notifier *mn, struct mm_struct *mm,
> - unsigned long address)
> -{
> - struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct,
> - ms_notifier);
> -
> - STAT(mmu_invalidate_page);
> - gru_flush_tlb_range(gms, address, PAGE_SIZE);
> - gru_dbg(grudev, "gms %p, address 0x%lx\n", gms, address);
> -}
> -
> static void gru_release(struct mmu_notifier *mn, struct mm_struct *mm)
> {
> struct gru_mm_struct *gms = container_of(mn, struct gru_mm_struct,
> @@ -269,7 +258,6 @@ static void gru_release(struct mmu_notifier *mn, struct mm_struct *mm)
>
>
> static const struct mmu_notifier_ops gru_mmuops = {
> - .invalidate_page = gru_invalidate_page,
> .invalidate_range_start = gru_invalidate_range_start,
> .invalidate_range_end = gru_invalidate_range_end,
> .release = gru_release,
> --
> 2.13.5
>

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