Messages in this thread |  | | Date | Mon, 30 Jan 2012 10:36:13 +0000 | From | Mel Gorman <> | Subject | Re: [PATCH v3 -mm 1/3] mm: reclaim at order 0 when compaction is enabled |
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On Thu, Jan 26, 2012 at 02:59:14PM -0500, Rik van Riel wrote: > When built with CONFIG_COMPACTION, kswapd should not try to free > contiguous pages, because it is not trying hard enough to have > a real chance at being successful, but still disrupts the LRU > enough to break other things. > > Do not do higher order page isolation unless we really are in > lumpy reclaim mode. > > Stop reclaiming pages once we have enough free pages that > compaction can deal with things, and we hit the normal order 0 > watermarks used by kswapd. > > Also remove a line of code that increments balanced right before > exiting the function. > > Signed-off-by: Rik van Riel <riel@redhat.com>
Acked-by: Mel Gorman <mel@csn.ul.ie>
-- Mel Gorman SUSE Labs
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