Messages in this thread | | | Date | Mon, 18 Jul 2016 12:11:28 -0400 | From | Johannes Weiner <> | Subject | Re: [PATCH 1/3] mm, vmscan: Remove redundant check in shrink_zones() |
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On Mon, Jul 18, 2016 at 03:50:24PM +0100, Mel Gorman wrote: > As pointed out by Minchan Kim, shrink_zones() checks for populated > zones in a zonelist but a zonelist can never contain unpopulated > zones. While it's not related to the node-lru series, it can be > cleaned up now. > > Suggested-by: Minchan Kim <minchan@kernel.org> > Signed-off-by: Mel Gorman <mgorman@techsingularity.net>
Ha, I didn't know that. But yeah, the zonelist building code excludes unpopulated zones from the start. Neat.
Acked-by: Johannes Weiner <hannes@cmpxchg.org>
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