Messages in this thread | | | Date | Tue, 25 Sep 2012 16:37:47 +0900 | From | Minchan Kim <> | Subject | Re: [PATCH 7/9] Revert "mm: have order > 0 compaction start off where it left" |
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On Fri, Sep 21, 2012 at 11:46:21AM +0100, Mel Gorman wrote: > This reverts commit 7db8889a (mm: have order > 0 compaction start off > where it left) and commit de74f1cc (mm: have order > 0 compaction start > near a pageblock with free pages). These patches were a good idea and > tests confirmed that they massively reduced the amount of scanning but > the implementation is complex and tricky to understand. A later patch > will cache what pageblocks should be skipped and reimplements the > concept of compact_cached_free_pfn on top for both migration and > free scanners. > > Signed-off-by: Mel Gorman <mgorman@suse.de> > Acked-by: Rik van Riel <riel@redhat.com> Acked-by: Minchan Kim <minchan@kernel.org>
-- Kind regards, Minchan Kim
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