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    SubjectRe: [PATCH 06/11] mm: compaction: make isolate_lru_page() filter-aware again
    On Wed, Dec 14, 2011 at 03:41:28PM +0000, Mel Gorman wrote:
    > Commit [39deaf85: mm: compaction: make isolate_lru_page() filter-aware]
    > noted that compaction does not migrate dirty or writeback pages and
    > that is was meaningless to pick the page and re-add it to the LRU list.
    > This had to be partially reverted because some dirty pages can be
    > migrated by compaction without blocking.
    >
    > This patch updates "mm: compaction: make isolate_lru_page" by skipping
    > over pages that migration has no possibility of migrating to minimise
    > LRU disruption.
    >
    > Signed-off-by: Mel Gorman <mgorman@suse.de>
    Reviewed-by: Minchan Kim <minchan@kernel.org>

    --
    Kind regards,
    Minchan Kim


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