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    Subject[PATCH v2 33/34] kernel/events/core.c: convert put_page() to put_user_page*()
    Date
    From: John Hubbard <jhubbard@nvidia.com>

    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: Peter Zijlstra <peterz@infradead.org>
    Cc: Ingo Molnar <mingo@redhat.com>
    Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
    Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
    Cc: Jiri Olsa <jolsa@redhat.com>
    Cc: Namhyung Kim <namhyung@kernel.org>
    Signed-off-by: John Hubbard <jhubbard@nvidia.com>
    ---
    kernel/events/core.c | 2 +-
    1 file changed, 1 insertion(+), 1 deletion(-)

    diff --git a/kernel/events/core.c b/kernel/events/core.c
    index 0463c1151bae..7be52bbbfe87 100644
    --- a/kernel/events/core.c
    +++ b/kernel/events/core.c
    @@ -6426,7 +6426,7 @@ static u64 perf_virt_to_phys(u64 virt)
    phys_addr = page_to_phys(p) + virt % PAGE_SIZE;

    if (p)
    - put_page(p);
    + put_user_page(p);
    }

    return phys_addr;
    --
    2.22.0
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