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    Subject[PATCH 38/49] mm: numa: migrate: Set last_nid on newly allocated page
    Date
    From: Hillf Danton <dhillf@gmail.com>

    Pass last_nid from misplaced page to newly allocated migration target page.

    Signed-off-by: Hillf Danton <dhillf@gmail.com>
    Signed-off-by: Mel Gorman <mgorman@suse.de>
    ---
    mm/migrate.c | 3 +++
    1 file changed, 3 insertions(+)

    diff --git a/mm/migrate.c b/mm/migrate.c
    index 2c8310c..6bc9745 100644
    --- a/mm/migrate.c
    +++ b/mm/migrate.c
    @@ -1457,6 +1457,9 @@ static struct page *alloc_misplaced_dst_page(struct page *page,
    __GFP_NOMEMALLOC | __GFP_NORETRY |
    __GFP_NOWARN) &
    ~GFP_IOFS, 0);
    + if (newpage)
    + page_xchg_last_nid(newpage, page_last_nid(page));
    +
    return newpage;
    }

    --
    1.7.9.2


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