On 09/20/2012 10:04 AM, 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@xxxxxxx>
Sure, it makes your next patches easier... Acked-by: Rik van Riel <riel@xxxxxxxxxx> -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>