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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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