Messages in this thread | | | Date | Wed, 11 Apr 2012 13:25:12 -0400 | From | Rik van Riel <> | Subject | Re: [PATCH 1/3] mm: vmscan: Remove lumpy reclaim |
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On 04/11/2012 12:38 PM, Mel Gorman wrote: > Lumpy reclaim had a purpose but in the mind of some, it was to kick > the system so hard it trashed. For others the purpose was to complicate > vmscan.c. Over time it was giving softer shoes and a nicer attitude but > memory compaction needs to step up and replace it so this patch sends > lumpy reclaim to the farm. > > The tracepoint format changes for isolating LRU pages with this patch > applied. Furthermore reclaim/compaction can no longer queue dirty pages in > pageout() if the underlying BDI is congested. Lumpy reclaim used this logic > and reclaim/compaction was using it in error. > > Signed-off-by: Mel Gorman<mgorman@suse.de>
Acked-by: Rik van Riel <riel@redhat.com>
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