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    Subject[PATCH v15 01/14] mm/page_ext: Export lookup_page_ext() to GPL modules
    Date
    From: SeongJae Park <sjpark@amazon.de>

    This commit exports 'lookup_page_ext()' to GPL modules. This will be
    used by DAMON.

    Signed-off-by: SeongJae Park <sjpark@amazon.de>
    Reviewed-by: Leonard Foerster <foersleo@amazon.de>
    ---
    mm/page_ext.c | 1 +
    1 file changed, 1 insertion(+)

    diff --git a/mm/page_ext.c b/mm/page_ext.c
    index a3616f7a0e9e..9d802d01fcb5 100644
    --- a/mm/page_ext.c
    +++ b/mm/page_ext.c
    @@ -131,6 +131,7 @@ struct page_ext *lookup_page_ext(const struct page *page)
    MAX_ORDER_NR_PAGES);
    return get_entry(base, index);
    }
    +EXPORT_SYMBOL_GPL(lookup_page_ext);

    static int __init alloc_node_page_ext(int nid)
    {
    --
    2.17.1
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