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    Subject[PATCH 11/13] mm: use list_move() instead of list_del()/list_add() combination
    Date
    Signed-off-by: Kirill A. Shutemov <kirill@shutemov.name>
    Cc: Andrew Morton <akpm@linux-foundation.org>
    Cc: Mel Gorman <mel@csn.ul.ie>
    Cc: Rik van Riel <riel@redhat.com>
    Cc: Christoph Lameter <cl@linux.com>
    Cc: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>
    Cc: linux-mm@kvack.org
    ---
    mm/page_alloc.c | 5 ++---
    1 files changed, 2 insertions(+), 3 deletions(-)

    diff --git a/mm/page_alloc.c b/mm/page_alloc.c
    index cdef1d4..55fa2ae 100644
    --- a/mm/page_alloc.c
    +++ b/mm/page_alloc.c
    @@ -863,9 +863,8 @@ static int move_freepages(struct zone *zone,
    }

    order = page_order(page);
    - list_del(&page->lru);
    - list_add(&page->lru,
    - &zone->free_area[order].free_list[migratetype]);
    + list_move(&page->lru,
    + &zone->free_area[order].free_list[migratetype]);
    page += 1 << order;
    pages_moved += 1 << order;
    }
    --
    1.7.4.1


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