On Thu, Aug 01, 2019 at 07:19:57PM -0700, john.hubbard@xxxxxxxxx wrote:
> From: John Hubbard <jhubbard@xxxxxxxxxx>
>
> For pages that were retained via get_user_pages*(), release those pages
> via the new put_user_page*() routines, instead of via put_page() or
> release_pages().
>
> This is part a tree-wide conversion, as described in commit fc1d8e7cca2d
> ("mm: introduce put_user_page*(), placeholder versions").
>
> Cc: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
> Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
> Cc: Keith Busch <keith.busch@xxxxxxxxx>
> Cc: Kirill A. Shutemov <kirill.shutemov@xxxxxxxxxxxxxxx>
> Cc: Michael S. Tsirkin <mst@xxxxxxxxxx>
> Cc: YueHaibing <yuehaibing@xxxxxxxxxx>
> Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
Looks fine.
Reviewed-by: Keith Busch <keith.busch@xxxxxxxxx>
> mm/gup_benchmark.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/mm/gup_benchmark.c b/mm/gup_benchmark.c
> index 7dd602d7f8db..515ac8eeb6ee 100644
> --- a/mm/gup_benchmark.c
> +++ b/mm/gup_benchmark.c
> @@ -79,7 +79,7 @@ static int __gup_benchmark_ioctl(unsigned int cmd,
> for (i = 0; i < nr_pages; i++) {
> if (!pages[i])
> break;
> - put_page(pages[i]);
> + put_user_page(pages[i]);
> }
> end_time = ktime_get();
> gup->put_delta_usec = ktime_us_delta(end_time, start_time);
> --
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