Messages in this thread | | | Date | Mon, 7 Apr 2014 19:36:57 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH 2/2] mm: page_alloc: Do not cache reclaim distances |
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On Mon, Apr 07, 2014 at 11:34:28PM +0100, Mel Gorman wrote: > pgdat->reclaim_nodes tracks if a remote node is allowed to be reclaimed by > zone_reclaim due to its distance. As it is expected that zone_reclaim_mode > will be rarely enabled it is unreasonable for all machines to take a penalty. > Fortunately, the zone_reclaim_mode() path is already slow and it is the path > that takes the hit. > > Signed-off-by: Mel Gorman <mgorman@suse.de>
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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